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Cybersecurity Brief – 2026-09-30

Wed, 30 Sep 2026 00:00:00 +0000

Major Incidents or Breaches

Cryptocurrency exchange Bitget suffered a breach resulting in a $387.5 million loss after attackers exploited a zero-day vulnerability in a third-party security product used by the company ^[15].
The French tax administration experienced a data breach in which an attacker used stolen staff credentials to exfiltrate tax data belonging to hundreds of thousands of individuals and businesses. The compromise went undetected for seven weeks ^[9].
The Dutch Institute for Vulnerability Disclosure (DIVD) was breached via an automated AI agent in an attack described as “loud and very, very messy” ^[24].
South Africa’s air traffic control systems were targeted by a cyberattack that deployed a ransomware toolkit on at least one operational network ^[25].
AI coding agents inadvertently exposed more than 13,000 internal company images, including billing records, by uploading screenshots to public GitHub repositories ^[4].

Newly Discovered Vulnerabilities

Multiple critical vulnerabilities have been disclosed and patched in Citrix NetScaler ADC and Gateway products, including CVE-2026-88772 and CVE-2026-88771. These flaws allow pre-authentication code execution and have been actively exploited to gain root access, deploy web shells, steal credentials, and move laterally within victim networks. Government and finance organizations are among those affected ^[6]^[8]^[20]^[30]^[36].
OpenSSL released fixes for a high-severity DTLS flaw that can leak heap memory to the other side of a DTLS connection or cause a crash. WolfSSL also patched several high-severity vulnerabilities ^[7]^[41].
TeamViewer warned users to urgently patch a set of high-severity vulnerabilities in its client and host software ^[14].
A newly disclosed Spectre-v2 Branch Target Reuse (BTR) attack variant enables attackers to recover Linux root password hashes in minutes, bypassing existing mitigations ^[10]^[23].
Apple reported that CVE-2026-86950, an out-of-bounds write vulnerability, is being actively weaponized in targeted attacks ^[26].
WatchGuard issued patches for 15 vulnerabilities in Fireware OS, including code execution, denial of service, authorization, and path traversal bugs ^[35].
Unsloth Studio patched a vulnerability allowing malicious AI models to execute arbitrary Python code during model inspection if the trust_remote_code setting is enabled ^[27].
Chrome and Firefox released updates addressing over 100 vulnerabilities, some of which could allow remote code execution or sandbox escape ^[37].

Notable Threat Actor Activity

Russian state-sponsored group Star Blizzard (also known as APT29) has conducted large-scale phishing campaigns using fake event invitations and the ‘RedFlick’ infection chain to deliver the CosmicPulse backdoor, targeting over 100 organizations ^[11]^[39].
Microsoft observed a China-based actor, dubbed ‘NeedyMantis’, using a previously unidentified malware framework for long-term access in targeted intrusions against telecommunications, universities, medical, and government-related organizations ^[29].
The ShinyHunters extortion group was addressed by the FBI following the arrest of an alleged leader, with the FBI urging remaining members to turn themselves in. ShinyHunters responded defiantly ^[19]^[40].

Trends, Tools, or Tactics of Interest

Social engineering attacks are increasingly leveraging audio and video deepfakes, with 41 percent of CISOs reporting an audio deepfake attack against their organization in the past year and 36 percent reporting deepfake targeting of employees ^[1].
Custom malicious ChatGPT variants promoted via sponsored Google results are being used to lure victims to sites that deploy RAT malware through ClickFix attacks ^[18].
Recent US-focused phishing campaigns targeting C-suite executives have been observed stealing Microsoft 365 sessions and deploying remote monitoring and management (RMM) tools for persistent remote access. The campaigns predominantly targeted technology, manufacturing, government, and consulting sectors ^[5].
Browser-based attacks remain a significant initial vector for breaches, with many attacks contained entirely within browser sessions ^[3].
AI agent security is being addressed with new tools such as KnowBe4’s Agent Risk Manager, which integrates with the Claude Compliance API to monitor and detect AI agent risks in real time ^[2].
Anthropic and other industry voices are raising concerns over liability risks associated with autonomous AI agents, as lawsuits emerge following incidents involving AI-driven attacks ^[33]^[38].

Regulatory or Policy Developments Affecting the Security Industry

Microsoft will implement new protections in Entra ID to block external script injection attacks starting in October ^[13].
Cloudflare announced a public certificate authority designed for post-quantum cryptography, offering automated certificates intended to be resistant to quantum computing threats ^[28].
A group of major technology firms has signed a voluntary accord to self-police AI development, focusing on four key steps and signaling the possibility of future regulation ^[42].
DARPA selected Xint to use AI for identifying vulnerabilities in military messaging apps, with potential commercial applications ^[44].

Sources

Bitget hacked via zero-day in third-party security products - bleepingcomputer.com
French Tax Data Theft Using Stolen Staff Passwords Went Undetected for Seven Weeks - thehackernews.com
Automated AI agent used to breach cybersecurity nonprofit DIVD - bleepingcomputer.com
South Africa Seeks Help After Cyberattack Targets Air Traffic Control - darkreading.com
AI Coding Agents Exposed 13,000 Internal Images, Including Billing Records, on GitHub - thehackernews.com
Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT - thehackernews.com
Citrix NetScaler CVE-2026-88772 Exploit Details Show Pre-Auth Path to Shellcode Execution - thehackernews.com
Hackers exploit Citrix NetScaler zero-day to deploy web shells - bleepingcomputer.com
Dual NetScaler Zero-Days Trigger Chaos for Citrix Customers - darkreading.com
Government, Finance Orgs Targeted in Weeks-Long NetScaler Zero-Day Attacks - securityweek.com
OpenSSL Fixes High-Severity DTLS Flaw That Can Leak Heap Memory Unencrypted - thehackernews.com
High-Severity Vulnerabilities Patched in OpenSSL, WolfSSL - securityweek.com
TeamViewer urges users to patch severe flaws “as soon as possible” - bleepingcomputer.com
New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses - thehackernews.com
New Spectre v2 attack variant leaks Linux root password hash in minutes - bleepingcomputer.com
Apple Zero-Day Vulnerability Weaponized in Targeted Attacks - darkreading.com
WatchGuard Patches Critical Fireware OS Code Injection Vulnerability - securityweek.com
Unsloth Studio Flaw Turns Routine Model Inspection Into Code Execution - darkreading.com
Chrome, Firefox Updates Patch Over 100 Vulnerabilities - securityweek.com
Russia's Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor - thehackernews.com
Russian APT Star Blizzard Uses ‘RedFlick’ Infection Chain in Recent Attacks - securityweek.com
'NeedyMantis' Provides Long-Term Access to Compromised Networks - darkreading.com
FBI tells ShinyHunters members to turn themselves in after recent arrest - bleepingcomputer.com
ShinyHunters Defiant After FBI Calls on Members to Come Forward - securityweek.com
Report: Social Engineering Attacks Are Increasingly Using Audio and Video Deepfakes - blog.knowbe4.com
Custom ChatGPTs push ClickFix attacks to deploy RAT malware - bleepingcomputer.com
US-Focused CSuite Phishing Steals Microsoft 365 Sessions and Deploys RMM Tools for Remote Access - thehackernews.com
Know Your Enemy: Browser-Based Attack Techniques in 2026 - thehackernews.com
Govern Claude AI with KnowBe4’s Agent Risk Manager - blog.knowbe4.com
OpenAI Gets Sued Over the Hugging Face Hack - wired.com
Anthropic Flags AI Agent Liability Risks as OpenAI Faces Hacking Lawsuit - securityweek.com
Microsoft to block Entra ID script injection attacks starting October - bleepingcomputer.com
Cloudflare Announces Public Certificate Authority for the Post-Quantum Web - darkreading.com
Trump Says Top Tech Firms Have Signed Accord to ‘Self-Police’ AI Development - securityweek.com
DARPA Selects Xint to Use AI in Securing Military Messaging Apps - securityweek.com

Cybersecurity Brief – 2026-07-03

Fri, 03 Jul 2026 00:00:00 +0000

Major Incidents or Breaches

Google, in coordination with the FBI and industry partners, disrupted the NetNut residential proxy network, which relied on millions of compromised home devices to anonymize cybercriminal and nation-state activity. Hundreds of domains associated with NetNut were seized, significantly degrading the network’s operations ^[4]^[25]^[26].
A dual US-Estonian citizen alleged to be a member of the Scattered Spider hacking collective was extradited to the United States to face charges ^[18].
European Parliament members investigating Pegasus spyware were themselves targeted, with Citizen Lab confirming Pegasus infection on one investigator’s phone ^[24].

Newly Discovered Vulnerabilities

A critical vulnerability in the Cursor AI code editor (DuneSlide) allows zero-click prompt injection attacks that escape the editor’s sandbox and can execute arbitrary code at the operating system level ^[27].
A new WinRAR security flaw has been patched that could allow attackers to take control of a user’s computer. The lack of automatic updates in WinRAR increases the risk of unpatched systems ^[37].
A vulnerability in Apple’s Hide My Email feature, first reported a year ago, remains unpatched and exposes user email addresses ^[35].

Notable Threat Actor Activity

Ransomware groups, including those associated with Anubis, are exploiting the Citrix Bleed 2 (CVE-2025-5777) vulnerability for initial access and are also leveraging bring-your-own-vulnerable-driver (BYOVD) and supply chain credential theft tactics ^[5]^[28].
The threat actor ToddyCat is deploying new Umbrij malware that abuses OAuth to access Gmail accounts via the Google API, enabling covert email access ^[7].
Attackers linked to the FortiBleed campaign have harvested credentials from hundreds of thousands of FortiGate firewalls and are collaborating with the INC and Lynx ransomware gangs, also exploiting a Nextcloud zero-day vulnerability ^[21]^[30].
Ransomware operators are running campaigns that impersonate Interpol, targeting small businesses globally using basic social engineering techniques ^[22].
KnowBe4 ThreatLabs tracked phishing campaigns targeting the FIFA World Cup 2026, with cybercriminals leveraging the event for credential theft and malware distribution ^[3].
ClickFix and ConsentFix attacks are hijacking Microsoft 365 accounts in seconds by exploiting OAuth flows and fake prompts to bypass MFA protections ^[13]^[36].
Fake Google and Cloudflare verification pages are distributing multiple malware families, including infostealers and a new malware loader, through ClickFix-style social engineering ^[36].

Trends, Tools, or Tactics of Interest

Immediate exploitation of newly disclosed vulnerabilities, such as CitrixBleed, is increasing, with attackers using public proof-of-concept code to target NetScaler appliances ^[28].
The first fully autonomous ransomware attack orchestrated by an AI agent (JADEPUFFER) was observed, exploiting a Langflow RCE vulnerability to automate a database ransomware campaign from start to finish ^[9].
ConsentFix and ClickFix attacks demonstrate a trend of using rapid OAuth token theft and social engineering to bypass MFA and compromise cloud accounts ^[13]^[36].
Opera has introduced a Paste Protect feature to mitigate ClickFix-style attacks by blocking malicious command execution via social engineering ^[17].
Context manipulation attacks, such as BioShocking, can trick agentic browsers into exfiltrating sensitive credentials by bypassing their safety guardrails ^[33].
Compromise assessment projects highlight persistent threats, missed incidents, and gaps in incident response across organizations, emphasizing the need for improved detection and response practices ^[1].
Identity lifecycle management models are being challenged by the proliferation of AI agents, which lack traditional employment records and departure dates, complicating access governance ^[8].
IBM and Red Hat have launched Project Lightwell, assigning 20,000 engineers to address open-source software supply chain risks identified by Anthropic’s Mythos AI bug-finding technology ^[23].
There is a shift in cybercrime pressure toward small and medium-sized businesses in Australia as larger institutions improve safeguards and regulatory compliance ^[19].

Regulatory or Policy Developments Affecting the Security Industry

The Court of Justice of the European Union dismissed Google’s final appeal against a €4.1 billion antitrust fine related to Android’s promotion of Chrome and search, upholding significant regulatory action against the company ^[12].
The Trump administration lifted restrictions on Anthropic’s Claude AI models following cybersecurity concerns, making Claude Fable 5 widely available again ^[31].
Apple has revised its long-standing patch policy to accelerate patch cycles in response to attackers leveraging AI to reduce time to exploit, indicating a move toward more rapid security updates ^[20].

Sources

Google Disrupts NetNut Residential Proxy Network Spanning 2 Million Home Devices - thehackernews.com
FBI Seizes NetNut Proxy Platform, Popa Botnet - krebsonsecurity.com
Google, FBI Disrupt NetNut Residential Proxy Network Powered by Millions of Devices - securityweek.com
Alleged Scattered Spider hacker extradited to the United States - bleepingcomputer.com
EU Politicians Investigated Pegasus Spyware. Then It Ended Up on One of Their Phones - wired.com
Critical Cursor AI Code Editor Flaws Could Lead to OS-Level Remote Code Execution - securityweek.com
WinRAR flaw could allow attackers to take control of your computer - malwarebytes.com
Apple’s Hide My Email doesn’t hide it very well - malwarebytes.com
Ransomware Groups Turn to Citrix Bleed 2, BYOVD, and Supply Chain Credentials - thehackernews.com
New CitrixBleed Vulnerability Exploited Immediately After Public Disclosure - securityweek.com
ToddyCat-Linked Umbrij Malware Abuses OAuth to Access Gmail via Google API - thehackernews.com
FortiBleed Actors Collaborating With Inc, Lynx Ransomware Gangs - darkreading.com
FortiBleed Campaign Linked to INC, Lynx Ransomware Attacks - securityweek.com
Ransomware Thugs Masquerade as Interpol to Entice Small Biz - darkreading.com
Cybercriminals Are Targeting the FIFA World Cup 2026 - blog.knowbe4.com
ConsentFix and ClickFix: How Microsoft 365 Accounts are Hijacked in 3 Seconds - bleepingcomputer.com
Fake Google and Cloudflare verification pages spread multiple malware families - malwarebytes.com
AI Agent Exploits Langflow RCE to Automate Database Ransomware Attack - thehackernews.com
Opera rolls out Paste Protect feature to fight ClickFix attacks - bleepingcomputer.com
‘BioShocking’ Attack Tricks AI Browsers Into Stealing Credentials - securityweek.com
Missed incidents, persistent threats, and response gaps: Insights from compromise assessment projects - securelist.com
Identity Lifecycle Management Wasn't Built for AI Agents - thehackernews.com
Anthropic's AI Finds Bugs. IBM Bets $5B It Can Fix Them. - darkreading.com
Aussies Face Reduced Cybercrime Risk, as Pressure Shifts to SMBs - darkreading.com
Google loses final appeal to overturn €4.1 billion EU fine - bleepingcomputer.com
Trump Administration Lifts Restrictions on Anthropic’s Claude Models After Cybersecurity Alarm - securityweek.com
Apple Reverses Age-Old Patch Policy to Keep Up With AI - darkreading.com

Cybersecurity Brief – 2026-05-06

Wed, 06 May 2026 00:00:00 +0000

Major Incidents or Breaches

DAEMON Tools supply chain attack: Installers downloaded from the official DAEMON Tools website since 8 April were trojanised, delivering a sophisticated backdoor to thousands of systems globally. Government and scientific entities were among those targeted, though the backdoor was selectively deployed on a limited number of systems.
Vimeo data breach: The ShinyHunters extortion group accessed and exfiltrated personal information of over 119,000 users following a breach of the Vimeo platform in April.
Instructure breach: A hacker claims to have stolen 280 million data records from 8,809 educational institutions by breaching Instructure, exposing student and staff data.
Trellix source code breach: Attackers accessed source code for Trellix security products, potentially exposing detection mechanisms and product controls.
Taiwan high-speed rail hack: A university student was arrested for exploiting the TETRA communication system to trigger emergency brakes on Taiwan’s high-speed railway.
CloudZ RAT exploitation via Windows Phone Link: Researchers disclosed an incident involving the CloudZ remote access tool, leveraging a previously undocumented plugin (“Pheno”) to steal credentials and OTPs.
Government targeting by UAT-8302: China-linked APT group UAT-8302 was attributed to ongoing attacks against government entities in South America and South Asia, using malware shared across regions.

Newly Discovered Vulnerabilities

Palo Alto Networks PAN-OS (CVE-2026-0300): A critical buffer overflow vulnerability in PAN-OS User-ID Authentication Portal is under active exploitation, enabling remote code execution on PA and VM series firewalls.
Apache HTTP/2 (CVE-2026-23918): A severe vulnerability in Apache HTTP Server’s HTTP/2 implementation could allow denial-of-service and potential remote code execution. Security updates have been released.
MetInfo CMS (CVE-2026-29014): A critical flaw in the open-source MetInfo CMS is being actively exploited for remote code execution attacks.
Android System (CVE-2026-0073): A critical remote code execution vulnerability was patched in Android’s System component, exploitable without user interaction.
Ollama “Bleeding Llama”: A critical heap out-of-bounds read issue in Ollama LLM deployments could be exploited remotely and without authentication, potentially affecting up to 300,000 deployments.
WhatsApp: Two newly patched vulnerabilities could have allowed attackers to send malicious files to users, potentially leading to malware infection.
Microsoft Edge: Proof-of-concept exploits show that passwords are stored in process memory and can be extracted by users with admin privileges, posing an enterprise risk.

Notable Threat Actor Activity

ShinyHunters: Responsible for the Vimeo data breach, exfiltrating user personal information.
UAT-8302 (China-linked APT): Conducting cross-regional campaigns targeting government agencies using shared APT malware.
Karakurt ransomware group: A Latvian national, Deniss Zolotarjovs, was sentenced in the US for his role as a negotiator in extortion operations.
Quasar Linux (QLNX) malware: A new, previously undocumented Linux implant is targeting software developers with rootkit, backdoor, and credential-stealing features.

Trends, Tools, or Tactics of Interest

Supply chain attacks: DAEMON Tools and Trellix incidents highlight the ongoing risk of supply chain compromise, with attackers leveraging trusted software distribution channels.
OAuth token persistence: Many AI tools and productivity apps connected to Google or Microsoft environments leave persistent OAuth tokens without expiration or automated revocation, increasing lateral movement and persistence risks.
AI service exposure: Scans of one million exposed AI services reveal significant security gaps as businesses rapidly adopt AI technologies, with insecure deployments and insufficient access controls.
Social engineering and AI: Evolution in phishing and social engineering tactics, now leveraging AI to create more convincing lures and automate attacks, as noted in new KnowBe4 SAT platform updates and recent phishing campaigns.
Binary Transparency for Android: Google has expanded public verification of Android app binaries to prevent supply chain attacks.
Microsoft phishing campaign: Ongoing sophisticated phishing attacks against US organisations, using adversary-in-the-middle (AitM) techniques to harvest credentials.
Jailbreaking and data poisoning AI models: Security researchers are actively probing AI guardrails for weaknesses, using jailbreaking and data poisoning to demonstrate attack vectors.

Regulatory or Policy Developments

FTC action against Kochava: The US Federal Trade Commission will ban data broker Kochava and its subsidiary from selling Americans’ location data without explicit consent, as part of a legal settlement.
Oracle patch cadence: Oracle will now release monthly critical security patch updates, aiming to address high-priority vulnerabilities more rapidly.
SSL.com root certificate rotation: SSL.com rotated its root certificate as part of standard lifecycle management.
CISA critical infrastructure initiative: The US Cybersecurity and Infrastructure Security Agency (CISA) announced a new initiative to strengthen the security of critical infrastructure.

Cybersecurity Brief – 2025-12-17

Wed, 17 Dec 2025 00:00:00 +0000

Major Incidents or Breaches

Petróleos de Venezuela (PDVSA), Venezuela’s state-owned oil company, suffered a cyberattack that disrupted export operations over the weekend.
SoundCloud disclosed a data breach affecting approximately 20% of its users, with attackers accessing user data.
Askul, an e-commerce and logistics company, was targeted by the RansomHouse ransomware group in October, resulting in the compromise of 700,000 records.
A new report highlights that most “parked” domains-largely expired or unused domains-now serve malicious content, increasing risks from direct navigation.
Urban VPN Proxy, a popular Chrome extension with 8 million users, was found to be harvesting data from AI chatbot conversations, including ChatGPT, Claude, Gemini, and Copilot.
A security flaw at a photo booth operator’s website exposed hundreds of private customer photos online.

Newly Discovered Vulnerabilities

Two critical authentication bypass vulnerabilities in Fortinet FortiGate devices are under active exploitation, enabling unauthorised access to admin accounts and theft of configuration files.
The React2Shell vulnerability is being actively exploited to deploy Linux backdoors such as KSwapDoor and ZnDoor.
A vulnerability in JumpCloud Remote Assist allows attackers to write arbitrary data or delete files to gain System privileges.
Kaspersky researchers detailed a vulnerability in a vehicle’s head unit modem, which allowed full system access.
A malicious NuGet package, typosquatting the legitimate Tracer.Fody .NET library, was discovered stealing cryptocurrency wallet data.

Notable Threat Actor Activity

Amazon’s threat intelligence team reported a years-long Russian GRU campaign targeting Western critical infrastructure, particularly in the energy and cloud sectors, from 2021 to 2025. The campaign has shifted from exploiting vulnerabilities to leveraging misconfigured edge devices.
The Ink Dragon espionage group (also known as CL-STA-0049, Earth Alux) was profiled for its sustained and sophisticated offensive operations, including the use of relay networks.
An ongoing campaign is targeting AWS customers with compromised IAM credentials to conduct large-scale cryptocurrency mining.
The ‘GhostPoster’ campaign is distributing malicious Firefox extensions that hide JavaScript in addon logos to monitor activity and deploy backdoors, with over 50,000 downloads.
Cellik, a new Android malware-as-a-service (MaaS), is being marketed on underground forums with capabilities to embed in any app and build malicious versions from Google Play apps.
A phishing campaign targeting executives is using phony award offers to harvest credentials.
European law enforcement dismantled a Ukrainian call center fraud ring responsible for over €10 million in losses across Europe.

Trends, Tools, or Tactics of Interest

Ransomware groups are increasingly targeting hypervisors to encrypt multiple virtual machines simultaneously.
There is a surge in Android mobile adware and malware, particularly Triada and MobiDash, in late 2025.
Threat actors are increasingly exploiting third-party risks introduced by rapid adoption of open source and AI-powered coding assistants.
The majority of parked domains now serve malicious content, making direct navigation to such domains riskier.
Fortinet FortiGate vulnerabilities are being exploited within a week of public disclosure, indicating rapid weaponisation of new flaws.
AI-assisted coding platforms are accelerating software development, increasing the attack surface and third-party risks.
KnowBe4 released deepfake training modules to help organisations combat AI-driven threats.
Microsoft announced it will block Exchange Online access for mobile devices running outdated email software.
Amazon observed Russian state actors shifting tactics from exploiting vulnerabilities to abusing misconfigured infrastructure in critical sectors.

Regulatory or Policy Developments Affecting the Security Industry

The Texas Attorney General filed lawsuits against five major TV manufacturers, alleging illegal collection and sale of user viewing data without consent via Automated Content Recognition.
Afripol is intensifying regional cooperation to address cybercrime challenges amid rapid digitisation and increased cybercriminal activity in Africa.
Google announced it will discontinue its dark web monitoring report in early 2026.

Cybersecurity Brief – 2025-11-27

Thu, 27 Nov 2025 00:00:00 +0000

Major Incidents or Breaches

Gainsight has expanded its list of impacted customers following a recent security alert from Salesforce, indicating the breach affected more customers than initially disclosed.
Multiple London councils, including the Royal Borough of Kensington and Chelsea and Westminster City Council, have experienced IT service disruptions due to a cyberattack.
Comcast will pay a $1.5 million fine after a vendor data breach in February 2024 exposed the personal information of nearly 275,000 customers.
Dartmouth College confirmed a data breach resulting from an Oracle hack, with over 226 GB of files stolen and leaked.
The OnSolve CodeRED emergency alert platform in the US was disrupted by a ransomware attack from the Inc Ransom group, resulting in operational impact and data breach.
Thousands of secrets, including credentials and private keys, were leaked by users of JSONFormatter and CodeBeautify code formatting platforms.
A major sportswear company was targeted by a high-volume phishing campaign between 29 and 30 October 2025, as detected by KnowBe4 analysts.

Newly Discovered Vulnerabilities

ASUS released firmware updates to address nine security vulnerabilities in AiCloud routers, including a critical authentication bypass flaw.
The ’node-forge’ JavaScript cryptography library patched a vulnerability that allowed attackers to bypass signature verification with specially crafted data.
A new malicious Chrome extension was discovered that injects hidden Solana transfer fees into Raydium swaps, diverting funds to attacker-controlled wallets.
Microsoft warned that FIDO2 security keys may prompt users for a PIN after recent Windows updates since September 2025.
Microsoft announced plans to secure Entra ID sign-ins from external script injection attacks, with implementation set for mid-to-late October 2026.

Notable Threat Actor Activity

The Shai-Hulud v2 supply chain attack has spread from npm to Maven, compromising over 830 npm packages and exposing thousands of secrets.
Qilin ransomware was deployed in a sophisticated supply chain attack targeting a South Korean managed service provider, resulting in data theft from 28 financial sector victims.
The RomCom threat group used SocGholish fake update attacks to deliver Mythic Agent malware to a US-based civil engineering company.
A new Mirai-based botnet, ShadowV2, has been observed exploiting known vulnerabilities in IoT devices from D-Link, TP-Link, and others, using the recent AWS outage as a test event.
Scammers are using fake LinkedIn job postings and video updates to distribute Flexible Ferret malware to Mac users, enabling multi-stage data theft and long-term access.
The “Scattered LAPSUS$ Hunters” group continued data theft and mass extortion campaigns against major corporations.
Cybercriminals have increasingly targeted financial institutions and individuals with account takeover fraud, causing $262 million in losses in 2025, according to the FBI.

Trends, Tools, or Tactics of Interest

NTLM relay and credential forwarding attacks continue to be exploited, with new vulnerabilities and abuse techniques identified in 2025.
The EMEA finance and banking sector faces escalating cybersecurity challenges, with increased targeting and advanced threats.
Advanced digital fraud attacks surged 180% in 2025, with generative AI used for creating deepfakes, synthetic IDs, and autonomous bots.
Attackers are integrating large language models (LLMs) into malware to evade detection and augment code in real time.
“Dark LLMs” are facilitating more competent attacks by low-level cybercriminals, though with limited technical sophistication.
Prompt injection vulnerabilities are a growing concern for agentic AI-enabled browsers, such as ChatGPT’s Atlas Browser.
Over half of surveyed enterprises are uncertain about their ability to secure non-human identities (NHIs), highlighting a gap in identity security controls.
Increased use of community-maintained tools (e.g., Chocolatey, Winget) for patching and updates presents both opportunities and risks for IT teams.

Regulatory or Policy Developments Affecting the Security Industry

The UK government has introduced a new Cyber Security and Resilience Bill, setting out enhanced requirements for critical infrastructure organisations.

Cybersecurity Brief – 2025-10-02

Thu, 02 Oct 2025 00:00:00 +0000

Major Incidents or Breaches

Motility Software Solutions suffered a ransomware attack exposing sensitive data of 766,000 dealership software clients.
WestJet confirmed that a cyberattack compromised personal information, including passport and ID documents, of 1.2 million customers.
Allianz Life announced that a July data breach impacted nearly 1.5 million individuals.
Adobe disclosed an ingestion bug in its Analytics platform that resulted in customer tracking data being exposed to other tenants for approximately one day.
Executives at multiple companies received extortion emails from the Clop ransomware group, claiming theft of sensitive data from Oracle E-Business Suite systems.
Unknown threat actors have exploited Milesight industrial cellular routers since at least February 2022 to send smishing SMS messages targeting European users.

Newly Discovered Vulnerabilities

A critical vulnerability in Red Hat OpenShift AI could allow attackers to escalate privileges and gain full control over hybrid cloud infrastructure under specific conditions.
A high-severity flaw in One Identity OneLogin IAM allowed attackers to use API keys to steal OpenID Connect (OIDC) secrets and impersonate applications.
OpenSSL patched three vulnerabilities that could allow private key recovery, code execution, and denial-of-service attacks.
Google’s Gemini AI suite contained vulnerabilities permitting attackers to embed malicious instructions in user web activity.
A bug in classic Outlook causes the client to crash on launch, with resolution only available via Microsoft Exchange Online support.
A newly demonstrated attack, dubbed “WireTap” or “Battering RAM,” enables attackers with physical access to extract Intel SGX ECDSA keys and break confidential computing protections on Intel and AMD processors via DDR4 memory-bus interposers.
Broadcom failed to disclose zero-day exploitation of a VMware vulnerability affecting Aria Operations and VMware Tools, which could allow privilege escalation on virtual machines.

Notable Threat Actor Activity

The Clop ransomware group is conducting a new extortion campaign targeting Oracle E-Business Suite users.
A previously undocumented Android banking trojan, “Klopatra,” has infected over 3,000 devices, mainly in Spain and Italy, using hidden VNC for remote control.
Chinese APT “Phantom Taurus” is targeting organisations with the Net-Star malware, focusing on espionage and using infrastructure linked to other Chinese APTs but employing distinct TTPs.
Threat group UNC6040 (ShinyHunters) has been observed using advanced social engineering tactics to breach Salesforce environments.
The Rhadamanthys malware, a complex multi-modular stealer sold on underground markets since 2022, has received notable updates.

Trends, Tools, or Tactics of Interest

Bitdefender’s 2025 Cybersecurity Assessment Report highlights increased pressure to conceal breaches, expanding attack surfaces, and rising misperceptions around AI security.
Attackers are leveraging industrial IoT devices (Milesight routers) to conduct large-scale smishing campaigns.
The Klopatra Android malware uses hidden VNC for hands-on device control, indicating a trend towards more interactive mobile banking attacks.
Research demonstrates that confidential computing protections (Intel SGX, AMD SEV) can be bypassed with low-cost hardware if physical access is obtained.
“Burp AI” is being adopted by security professionals for automated vulnerability scanning in bug bounty workflows.
Google Drive for desktop is rolling out AI-powered ransomware detection that pauses file syncing upon detecting an attack.
AmCache forensic artifact analysis is highlighted as valuable for incident investigations, with new command-line tools available for data extraction.
Undead (unsupported) operating systems, especially with Windows 10 reaching end-of-life, are set to significantly increase the vulnerable attack surface in enterprise environments.

Regulatory or Policy Developments Affecting the Security Industry

KnowBe4 is pursuing ISO 42001 certification for AI governance as it integrates more AI into its human risk management platform.
F-Droid project warns it may cease operations due to Google’s new developer identity verification requirements.
NIST published Special Publication 1334, offering guidance on mitigating USB-borne threats in industrial control system (ICS) and OT environments.
CISA reiterates that microsegmentation is foundational, not optional, for zero trust architectures, and highlights modern, automated approaches to implementation.
Microsoft will begin automatic installation of Microsoft 365 companion apps on Windows 11 devices with existing Microsoft 365 desktop clients later this month.

Cybersecurity Brief – 2025-07-31

Thu, 31 Jul 2025 00:00:00 +0000

Major Incidents or Breaches

The ShinyHunters extortion group has been linked to data breaches at Qantas, Allianz Life, LVMH, and Adidas, using voice phishing attacks to steal data from Salesforce environments.
SafePay ransomware group claims to have stolen 3.5TB of data from Ingram Micro and is threatening to leak the data.
Telecom provider Orange suffered a cyberattack resulting in service disruptions for both corporate and individual customers.
The UNC2891 (LightBasin) threat group attempted a physical intrusion by planting a 4G-equipped Raspberry Pi on a bank’s network during a failed ATM heist.
The City of Saint Paul, Minnesota, called in the National Guard to respond to a cyberattack.
The National Treasury of South Africa and several other organisations were compromised in mass exploits of on-premises Microsoft SharePoint servers.
A U.S.-based chemicals company was breached via exploitation of a SAP NetWeaver vulnerability, leading to deployment of the Auto-Color backdoor.
The Python Software Foundation warned that attackers are using a fake PyPI website to phish for developer credentials.
Over 250 fake mobile apps targeting Koreans have been used to deploy spyware and conduct blackmail campaigns.
Discord and other social platforms are being flooded with fraudulent online gaming and wagering sites, which lure users and steal funds.

Newly Discovered Vulnerabilities

Apple released security updates for iOS, iPadOS, and Safari, patching 29 vulnerabilities, including a WebKit flaw that was exploited as a zero-day in Google Chrome.
Lenovo issued UEFI firmware updates to address high-severity BIOS flaws enabling Secure Boot bypass in certain desktop models.
Critical, now-patched vulnerabilities in Dahua smart camera firmware could allow remote hijacking via ONVIF and file upload exploits.
Researchers disclosed a critical authentication bypass in the Vibe coding platform Base44, which exposed private enterprise applications; Wix patched the issue.
A critical unauthenticated arbitrary file upload vulnerability in the WordPress ‘Alone’ theme is being actively exploited for remote code execution and full site takeovers.

Notable Threat Actor Activity

Cobalt Strike Beacon is being delivered via social media, Microsoft Learn Challenge, Quora, and GitHub in a campaign targeting Russian entities.
Hackers are distributing JSCEAL malware through Facebook ads promoting fake cryptocurrency trading apps, using compiled V8 JavaScript to capture sensitive data.
Chinese state-sponsored group Silk Typhoon (Hafnium) is linked to over 15 technology patents for cyber espionage tools, highlighting PRC-backed contractor involvement.
Scattered Spider’s activity has decreased following recent arrests, but their social engineering and backup targeting tactics are being adopted by other financially motivated actors.

Trends, Tools, or Tactics of Interest

Device Bound Session Credentials (DBSC) launched in open beta in Google Chrome to protect against session cookie theft.
A new attack vector allows threat actors to use malicious browser extensions to inject prompts into popular generative AI tools, including ChatGPT and Gemini (“Man in the Prompt” attack).
AI adoption in vCISO services is rapidly increasing, with a reported 68% reduction in workload and tripling of adoption rates among MSPs and MSSPs.
VPN usage in the UK is rising sharply in response to age verification controls mandated by the Online Safety Act.
Security awareness training and tools, such as KnowBe4’s Phish Alert Button, can significantly increase employee phishing reporting rates, as evidenced by a 50-fold increase in a large retail organisation.
Fraudsters are exploiting Discord and social media to promote sophisticated scam gaming sites.
Mass exploitation of on-premises Microsoft SharePoint servers continues to impact organisations, particularly in Africa.
Threat actors are using phishing with fake PyPI sites to target software developers and steal credentials.

Regulatory or Policy Developments

The US Senate Committee has advanced the nomination of Sean Plankey to lead the Cybersecurity and Infrastructure Security Agency (CISA).
The UK’s Online Safety Act, which mandates age verification on adult sites, is directly influencing a surge in VPN adoption across the region.

Industry Developments

Palo Alto Networks announced the acquisition of CyberArk for $25 billion, marking a significant move into the identity security market.
BlinkOps raised $50 million for its agentic security automation platform, bringing total funding to $90 million.
Legion emerged from stealth with $38 million in funding for its browser-native AI Security Operations Center (SOC) platform.
Cyata, an Israeli startup focused on AI agent monitoring and control, raised $8.5 million in funding.
The average cost of a data breach in the US has risen to $10.22 million, while the global average has decreased slightly to $4.44 million, according to IBM.

Cybersecurity Brief – 2025-05-17

Sat, 17 May 2025 00:00:00 +0000

Major Incidents and Breaches

Procolored Printer Malware Incident: Official drivers for Procolored printers were found to be distributing malware, including a remote access trojan and a cryptocurrency stealer, for at least six months.
Australian Human Rights Commission Data Breach: An internal error resulted in the public exposure of sensitive documents, increasing the risk of follow-on cyberattacks.
Coinbase Extortion: Coinbase was extorted following a cyberattack and is now offering a $20 million reward for information leading to the identification of the attackers, signalling a potentially new approach in incident response.
Nomad Bridge Crypto Hack – Arrest: Israeli authorities arrested a suspect linked to the $190 million Nomad Bridge cryptocurrency hack from August 2022.
US Crypto Theft Charges: Twelve additional individuals have been charged in the US for their alleged roles in a $230 million cryptocurrency theft and associated money laundering.
Email-Based Attacks and Cyber Insurance: Business email compromise (BEC) and funds transfer fraud (FTF) accounted for 60% of cyber insurance claims in 2024, underscoring the continued prevalence and impact of email-based threats.

Newly Discovered Vulnerabilities

Intel CPU Flaws: Researchers identified new vulnerabilities affecting all modern Intel CPUs, enabling sensitive memory leaks and facilitating Spectre v2-style attacks.
Chrome Zero-Day: CISA has warned that a recently patched high-severity Chrome browser vulnerability is being actively exploited in the wild.
Pwn2Own Zero-Days: Multiple zero-day vulnerabilities were exploited during Pwn2Own Berlin 2025, targeting Microsoft SharePoint, VMware ESXi, Oracle VirtualBox, and Red Hat Enterprise Linux.
Microsoft Windows 10 BitLocker Issue: Microsoft confirmed that May 2025 security updates are causing some Windows 10 systems to boot into BitLocker recovery mode unexpectedly.

Notable Threat Actor Activity

HTTPBot Botnet: A newly identified botnet, HTTPBot, has conducted over 200 targeted DDoS attacks, primarily affecting the gaming, technology, and education sectors.
Remcos RAT Campaign: Attackers are delivering fileless Remcos RAT using LNK files and MSHTA in PowerShell-based attacks, enhancing evasion and persistence.
Skitnet Post-Exploitation Tool: Ransomware gangs are increasingly deploying the Skitnet (“Bossnet”) malware for stealthy post-exploitation activities within compromised networks.
Dynamic DNS Abuse: Groups including Scattered Spider are leveraging dynamic DNS services to obfuscate their infrastructure and impersonate legitimate brands during phishing and other attacks.
Threat Actor Specialization: There is a trend toward increased specialization among threat actors, complicating attribution and defensive modelling.

Trends, Tools, and Tactics of Interest

Agentic AI Ransomware: Forecasts indicate that AI-enabled, agentic ransomware may emerge as early as this year, potentially transforming the ransomware threat landscape.
AI in Security and Offence: KnowBe4 is highlighting advancements in AI-driven human risk management, while OpenAI’s Codex (now integrated with ChatGPT) is being rolled out to automate programming tasks-raising both defensive and offensive security considerations.
Code-to-Cloud Security Gaps: Security teams are struggling to keep up with the pace of modern application development, particularly as organisations rapidly adopt cloud infrastructure.
Incident Response Metrics: Emphasis is being placed on developing and communicating clear metrics for Cybersecurity Incident Response Programs (CSIRPs) to improve transparency and decision-making.

Regulatory or Policy Developments

CISA Directive on Chrome Vulnerability: US federal agencies have been directed to address the actively exploited Chrome vulnerability, reflecting ongoing regulatory attention to patch management and rapid response.
Data Privacy Regulation Pressure: Increasing regulatory scrutiny is noted in relation to data privacy, with organisations urged to enhance data protection measures in response to tightening compliance requirements.

Cybersecurity Brief – 2025-05-13

Tue, 13 May 2025 00:00:00 +0000

Major Incidents or Breaches

Output Messenger Zero-Day Exploited in Espionage
- A Türkiye-backed threat actor exploited a zero-day vulnerability in Output Messenger, an Indian enterprise communication platform, to deploy Golang-based backdoors on Kurdish servers. The campaign, ongoing since April 2025, targeted Kurdish military operations in Iraq as part of a cyber espionage effort.
Airline Confirms Cyberattack
- An airline involved in deportation flights for the US government disclosed a cybersecurity incident to the SEC, confirming reports of a cyberattack.
DoppelPaymer Ransomware Arrest
- Moldovan authorities arrested a suspect linked to DoppelPaymer ransomware attacks against Dutch organisations in 2021.
Global Botnet Operation Disrupted
- Four hackers were arrested for operating a global botnet that infected outdated wireless routers with Anyproxy and 5socks malware, allowing covert reconfiguration and use for malicious activities.

Cybersecurity Brief – 2025-04-30

Wed, 30 Apr 2025 00:00:00 +0000

Major Incidents and Breaches

SK Telecom Data Breach: South Korean telecom provider SK Telecom is offering free SIM replacements to 25 million customers after a USIM data breach, though only 6 million cards are currently available.
Ukraine Retail Cyberattack: Epicentr, Ukraine’s largest home improvement retailer, suffered a cyberattack that disrupted key IT systems.
Targeted Attacks on French Organizations: The French government attributed 12 cyberattacks on domestic entities over four years to Russian state-backed APT28 (GRU).
Uyghur Community Targeted: Chinese threat actors delivered Trojanized word-processing software via spear-phishing to members of the World Uyghur Congress.
Outlaw Botnet Activity: Kaspersky identified an SSH-based mining botnet operated by the Outlaw cybergang, targeting organisations globally.
Reconnaissance on SentinelOne: SentinelOne reported that the China-linked “PurpleHaze” threat cluster attempted reconnaissance against its infrastructure and clients.
Proton Mail Blocked in India: An Indian high court ordered the nationwide blocking of Proton Mail due to allegations of its use in AI deepfake scams.

Newly Discovered Vulnerabilities

Apple AirPlay Zero-Click RCE (“AirBorne”): Multiple vulnerabilities in Apple’s AirPlay protocol and SDK allow remote code execution on unpatched Apple and third-party devices via Wi-Fi, requiring no user interaction.
Broadcom Fabric OS and Commvault Flaws: CISA warned of active exploitation of vulnerabilities in Broadcom Brocade Fabric OS, Commvault web servers, and Qualitia Active! Mail clients.
Fuel Tank Monitoring System Exposure: Thousands of automatic tank gauge (ATG) devices are accessible online and vulnerable to disruption, posing risks to critical infrastructure.
Ongoing SonicWall CVE-2021-20016 Scanning: Increased scanning activity for this older SonicWall vulnerability suggests continued exploitation risk.

Notable Threat Actor Activity

APT28 (Russian GRU): Publicly attributed by France for a series of cyberattacks on French organizations.
Chinese Espionage (PurpleHaze): Ongoing reconnaissance and spear-phishing campaigns against Western targets, including SentinelOne and the Uyghur diaspora.
Outlaw Mining Botnet: Continues to leverage SSH-based infection chains for cryptomining operations worldwide.
Increased Scanning for Secrets: Threat actors are intensifying scans for leaked Git tokens, configuration files, and SMS gateways/APIs to compromise cloud services and send unauthorised messages.

Trends, Tools, and Tactics

Zero-Day Exploitation:
- Google reported 75 zero-days exploited in 2024, with 44–50% targeting enterprise security products and spyware-linked attacks.
- Exploitation is increasingly affecting enterprise and security technologies rather than general consumer software.
Device Code Phishing: Russian state actors are leveraging “device code phishing” techniques to bypass multi-factor authentication, as highlighted by recent Microsoft and KnowBe4 reports.
Generative AI Security Risks:
- Multiple GenAI platforms are susceptible to jailbreaks, unsafe code generation, and data theft.
- Google DeepMind introduced CaMeL, a new approach to mitigating prompt injection in large language models.
- WhatsApp launched “Private Processing” to enable AI features while maintaining message privacy, though experts caution about residual risks.
Cryptocurrency Exchange Rebranding: Grinex is suspected to be a rebrand of the sanctioned Russian exchange Garantex, indicating ongoing evasion of regulatory actions.
Social Engineering Scams: Threat actors are exploiting current events (e.g., the death of Pope Francis) for phishing and social engineering campaigns.

Regulatory and Policy Developments

India Blocks Proton Mail: Legal action taken against end-to-end encrypted email services over deepfake-related abuse, highlighting growing regulatory scrutiny of privacy-focused platforms.
Microsoft Windows Server Hotpatching: Starting with Windows Server 2025, hotpatching will require a paid subscription, impacting patch management strategies for enterprise clients.
US Cyber Policy: Calls for reauthorisation of cyberthreat information sharing laws and review of CISA funding and structure were raised during the RSA Conference.
France’s Public Attribution: France’s rare public attribution of cyberattacks to APT28 signals a more assertive posture in state-level cyber diplomacy.

Summary of Key Risks and Recommendations

Heightened threat from state-backed APTs (Russia, China) targeting critical infrastructure, enterprises, and dissident communities.
Ongoing exploitation of zero-day and legacy vulnerabilities, especially in enterprise and security products.
Increased risk from generative AI systems, both as attack vectors (prompt injection, jailbreaks) and as privacy concerns for end-users.
Regulatory shifts may impact encrypted communications and patch management practices.
Continued vigilance is recommended for SSH exposure, Git/secrets management, and rapid patching of high-profile vulnerabilities.

Cybersecurity Brief – 2025-04-26

Sat, 26 Apr 2025 00:00:00 +0000

Major Incidents and Breaches

Marks & Spencer Cyberattack
- Marks & Spencer, a major UK retailer, has suspended online orders following a cyberattack. Recovery efforts are ongoing, with continued disruption to online shopping services.
MTN Group Data Breach
- African telecom giant MTN disclosed a cybersecurity incident resulting in unauthorised access to personal information of subscribers in certain countries. The breach is attributed to an unknown third party.
Baltimore City Public Schools Data Breach
- Over 31,000 individuals have been notified of a data breach after attackers compromised the network in February, exposing employee and student information.
Craft CMS Zero-Day Exploitation
- Ongoing zero-day attacks are targeting Craft CMS servers via a chained remote code execution exploit, resulting in data theft. CERT Orange Cyberdefense reports active exploitation.
Physical Cryptocurrency Theft
- A recent case highlights the physical risks associated with cryptocurrency, involving a $250 million theft that escalated to kidnapping.