SentinelOne on DanSec Daily

Cybersecurity Brief – 2025-10-08

Wed, 08 Oct 2025 00:00:00 +0000

Major Incidents or Breaches

Salesforce has confirmed a widespread data theft attack affecting its customers, stating it will not pay ransom to the threat actors. The ShinyHunters group is linked to the exfiltration of over a billion records from Salesforce customers and has launched a data leak site to extort victims.
Electronics distributor Avnet disclosed a data breach, noting that stolen data is unreadable without proprietary tools.
BK Technologies, a public safety communications firm, reported an IT intrusion and subsequent data theft.
CPAP Medical suffered a data breach exposing personal and health information of over 90,000 military patients, troops, veterans, and their families.
Discord has warned users of a third-party breach resulting in the theft of names, emails, limited billing information, and some government-ID images.
DraftKings notified customers of account breaches following a credential stuffing attack.
North Korean hackers have reportedly stolen over $2 billion in cryptocurrency assets in 2025, the largest annual total recorded.
Asahi brewery in Japan experienced a ransomware attack that disrupted domestic operations and led to a beer shortage.

Newly Discovered Vulnerabilities

Redis disclosed a critical, 13-year-old vulnerability (CVSS 10.0), tracked as “RediShell,” allowing remote code execution under certain conditions. Over 60,000 servers are currently at risk, with more than 300,000 instances exposed globally.
FreePBX (CVE-2025-57819) is affected by a code execution vulnerability via its web-based admin interface.
Oracle E-Business Suite (EBS) zero-day vulnerability has been exploited by the Clop ransomware gang for data theft since at least early August.
The Year 2038 (Y2K38) bug has been highlighted as a vulnerability that could be exploited in ICS and consumer devices well before the date is reached.

Notable Threat Actor Activity

Microsoft attributed the exploitation of a critical Fortra GoAnywhere MFT vulnerability to the Storm-1175 threat actor, leading to Medusa ransomware deployment. Exploitation began one week before patches were released and reportedly requires a private key.
The Clop ransomware gang exploited a critical Oracle EBS zero-day in data theft operations.
BatShadow, a Vietnamese threat actor, is using a new Go-based malware (“Vampire Bot”) targeting job seekers and digital marketing professionals via social engineering.
OpenAI disrupted three clusters of activity by Russian, North Korean, and Chinese threat actors misusing ChatGPT for malware development.
Security research exposed BIETA and CIII, Beijing-based research institutes, as developers and suppliers of technology supporting Chinese intelligence and military cyber operations.

Trends, Tools, or Tactics of Interest

Microsoft reported a new phishing campaign leveraging AI tools to obfuscate payloads and evade detection.
Researchers observed an uptick in spam and malicious emails using hidden content to bypass security filters.
XWorm 6.0 malware has emerged with over 35 plugins, enhancing its data theft and modular attack capabilities.
AI is identified as the leading data exfiltration channel in enterprise environments, according to new research.
Security teams are adopting AI-powered breach and attack simulation tools to rapidly test and validate defences against emerging threats.
Google DeepMind announced “CodeMender,” an AI agent that detects, patches, and rewrites vulnerable code.
AI-assisted penetration testing is now mainstream, with 70% of surveyed security researchers using AI tools, as reported by HackerOne.
Google launched an AI Vulnerability Reward Program, offering up to $30,000 for reported AI system flaws.
Google decided not to patch a new ASCII smuggling attack in its Gemini AI assistant, which could be used to manipulate responses or alter model behaviour.

Regulatory or Policy Developments Affecting the Security Industry

Docker announced affordable, unlimited access to its Hardened Images catalog for startups and SMBs to support secure development.
Microsoft is removing additional methods to bypass Microsoft account requirements in Windows 11 installations.
Significant cybersecurity M&A activity was reported in September 2025, with major deals involving Check Point, CrowdStrike, F5, Mitsubishi Electric, and SentinelOne.

Cybersecurity Brief – 2025-09-09

Tue, 09 Sep 2025 00:00:00 +0000

Major Incidents or Breaches

Multiple popular npm JavaScript packages, collectively exceeding two billion weekly downloads, were compromised in a supply chain attack after a maintainer’s account was accessed via phishing. At least 18–20 high-profile packages were affected, with attackers injecting malicious code to steal cryptocurrency and other sensitive data.
Salesloft experienced a breach beginning with the compromise of its GitHub account in March. Attackers stole Drift OAuth tokens, which were later used in widespread attacks targeting Salesforce instances in August, impacting at least 22 companies, including major cybersecurity firms such as BeyondTrust, Bugcrowd, CyberArk, Cato Networks, JFrog, and Rubrik.
A new supply chain attack, dubbed ‘GhostAction’, targeted GitHub workflows, leading to the theft of 3,325 secrets, including PyPI, npm, DockerHub, GitHub tokens, Cloudflare, and AWS keys. Hundreds of repositories were affected.
Plex, a media streaming platform, suffered a data breach in which a hacker accessed customer authentication data. Customers have been advised to reset their passwords.
Lovesac, a US-based furniture company, confirmed a data breach following ransomware attack claims, with exposure of personal data for an undisclosed number of individuals.
Wealthsimple, a Canadian fintech firm, reported a data breach resulting from a supply chain attack, impacting some customer information but not compromising accounts or funds.
In the second phase of the Nx supply chain attack, over 6,700 private repositories from hundreds of organizations were made public.
iCloud Calendar infrastructure was abused in a phishing campaign targeting PayPal users, leveraging Apple and Microsoft services to send legitimate-seeming call-back phishing emails.

Newly Discovered Vulnerabilities

Researchers observed a surge in network scans targeting Cisco ASA devices, raising concerns about a potential upcoming vulnerability or exploitation campaign against these products.

Notable Threat Actor Activity

At least 45 previously unreported domains dating back to May 2020 have been linked to China-backed threat actors Salt Typhoon and UNC4841, indicating longstanding cyber-espionage operations using undiscovered infrastructure for persistent access.
A campaign attributed to China’s APT41 involved impersonating a US lawmaker to deliver malware to US trade groups, aiming to collect intelligence ahead of trade talks.
The GPUGate malware campaign is using paid Google search ads and fake GitHub commits to distribute malware to IT firms, targeting users searching for popular tools.
‘MostereRAT’ malware, deployed by an unidentified threat actor, is designed to evade and disable endpoint detection and response (EDR) tools, enabling long-term persistence on Windows systems.

Trends, Tools, or Tactics of Interest

Multiple supply chain attacks are targeting software development ecosystems, with a focus on compromising developer accounts (notably via phishing) to inject malicious code into widely used packages and repositories.
Attackers are increasingly targeting CI/CD pipelines and GitHub workflows to steal secrets and credentials at scale.
AI-powered ransomware is emerging, with proof-of-concept tools like PromptLock demonstrating the potential for LLM-orchestrated file encryption and extortion.
Threat actors are leveraging legitimate cloud services and infrastructure (Apple, Microsoft) to increase the credibility and deliverability of phishing campaigns.
Use of HTTP request signatures in new attack traffic was observed in honeypots, indicating evolving tactics for authentication and evasion.

Regulatory or Policy Developments

CISA announced its top priorities for securing US infrastructure at the Billington CyberSecurity Summit, with a focus on operational collaboration and innovation between government and industry.
Significant cybersecurity industry M&A activity continued, with 27 deals in August involving major vendors including Accenture, CrowdStrike, F5, Okta, and SentinelOne.

Other Security Technology Developments

Signal introduced an opt-in feature for end-to-end encrypted cloud backups, enabling users to securely restore chats if devices are lost or damaged.

Cybersecurity Brief – 2025-07-12

Sat, 12 Jul 2025 00:00:00 +0000

Major Incidents or Breaches

A vulnerability in McHire, McDonald’s chatbot job application platform, exposed chat histories and personal data of over 64 million job applicants in the United States due to weak authentication (“123456” password) and insecure API design.
The developer account for the WordPress Gravity Forms plugin was compromised, leading to backdoored plugin installers being distributed via the official website in a supply-chain attack.
A critical vulnerability (CVE-2025-47812) in Wing FTP Server is being actively exploited in the wild, allowing attackers to execute arbitrary commands with root or system privileges.

Newly Discovered Vulnerabilities

Fortinet patched a critical SQL injection vulnerability (CVE-2025-25257) in FortiWeb that allows unauthenticated attackers to execute arbitrary database commands. Proof-of-concept exploits for this vulnerability have been publicly released.
Security researchers disclosed four vulnerabilities in OpenSynergy’s BlueSDK Bluetooth stack (“PerfektBlue”), which could allow remote code execution on millions of vehicles (including Mercedes, Skoda, and Volkswagen) and over a billion industrial, medical, mobile, and consumer devices.
The U.S. CISA confirmed active exploitation of the CitrixBleed 2 vulnerability (CVE-2025-5777) in Citrix NetScaler ADC and Gateway, mandating federal agencies to patch within 24 hours.
A zero-day vulnerability in OpenVSX, a popular extension marketplace, was discovered and patched. The flaw could have enabled attackers to compromise millions of developer machines via a supply chain attack.
Microsoft disclosed new attack techniques targeting AMD CPUs.
NVIDIA issued guidance recommending activation of System Level Error-Correcting Code (ECC) to mitigate Rowhammer attacks on GPUs with GDDR6 memory. Researchers demonstrated Rowhammer-based “GPUHammer” attacks that can degrade machine learning model accuracy.

Notable Threat Actor Activity

The Iranian-backed Pay2Key ransomware-as-a-service operation has resurfaced, offering affiliates an increased profit share (80%) for attacks targeting Western organisations, particularly in the US and Israel. This follows recent geopolitical tensions involving Iran, Israel, and the US.
The Indian APT group DoNot is actively targeting government entities.

Trends, Tools, or Tactics of Interest

Researchers at Netcraft highlighted that AI-generated search engine summaries are inadvertently directing users to phishing sites when queried for legitimate login pages, posing a new phishing risk vector.
SentinelOne reported evolution in the ZuRu macOS malware family.
The 2025 Data Risk Report notes heightened data loss risks from AI-powered tools, with calls for unified, AI-driven data security strategies.
Cyber-insurance premiums are declining from previous highs, though comprehensive coverage remains vital for risk management.
There is increased emphasis on integrating cybersecurity into financial sector digital transformation strategies.
Discussion of passwordless authentication mechanisms-specifically passkeys using public key cryptography-to address the inherent risks of shared secrets in traditional password systems.

Regulatory or Policy Developments

The European Union unveiled a voluntary AI Code of Practice to help businesses comply with the phased rollout of the EU AI Act.
The Irish Data Privacy Commission opened a new investigation into TikTok regarding the transfer of user data to China under EU privacy regulations.
Google did not release a scheduled July 2025 Android security patch, breaking a ten-year streak of monthly updates.

Cybersecurity Brief – 2025-06-10

Tue, 10 Jun 2025 00:00:00 +0000

Major Incidents or Breaches

Sensata Technologies confirmed a data breach following an April ransomware attack, with personal data of current and former employees compromised.
United Natural Foods (UNFI), North America’s largest publicly traded grocery wholesaler, experienced a cyberattack that forced the shutdown of some systems.
Data stolen from Ticketmaster during the 2024 Snowflake data theft attacks was briefly relisted for sale by the Arkana Security extortion group, but no new breach is indicated.
SentinelOne disclosed new details about an attempted supply chain attack by Chinese hackers, targeting the company through an IT services and logistics provider.

Newly Discovered Vulnerabilities

Over 84,000 instances of Roundcube webmail remain vulnerable to CVE-2025-49113, a critical remote code execution vulnerability with a public exploit, which is being actively exploited.
CISA added critical vulnerabilities in Erlang/Open Telecom Platform (OTP) SSH and Roundcube to its Known Exploited Vulnerabilities Catalog.
A now-patched critical flaw in Wazuh Server has been exploited in the wild by threat actors deploying two different Mirai botnet variants for DDoS attacks.
A Google account vulnerability allowed brute-forcing of recovery phone numbers using only a profile name and partial number; the issue has been patched.

Notable Threat Actor Activity

The Librarian Ghouls APT continues targeting Russian entities, using RAR archives and BAT scripts to steal data and deploy cryptominers, often leveraging legitimate tools and executing attacks at night to evade detection.
Chinese state-linked threat groups APT15 and UNC5174 (also referenced as “PurpleHaze”) targeted SentinelOne and more than 70 other organizations across multiple sectors between July 2024 and March 2025, focusing on cyber-espionage and supply chain attacks.
The criminal group UNC6040 is conducting vishing (voice phishing) campaigns to compromise Salesforce instances, according to Google Threat Intelligence Group.
A global spear-phishing campaign is targeting CFOs with fraudulent employment offers, aiming at financial executives worldwide.
OpenAI has banned ChatGPT accounts linked to nation-state threat actors, citing use for malicious activities including social engineering, employment fraud, and cyber espionage.

Trends, Tools, or Tactics of Interest

Multiple botnets are exploiting the Wazuh Server vulnerability to deploy Mirai-based DDoS attacks, demonstrating ongoing interest in IoT botnet infrastructure.
Security researchers highlight that SIEMs are missing coverage for many MITRE ATT&CK techniques, with a significant proportion of detection rules non-functional.
Shadow IT risks persist despite IdP or CASB controls, with free trials, third-party AI tools, and personal accounts presenting ongoing exposure.
AI coding tools are increasing enterprise risk by enabling insecure code generation, as developers adopt new workflows with insufficient security oversight.
The Linux Foundation has launched the FAIR Package Manager, a decentralized and independent distribution system for trusted WordPress plugins.

Regulatory or Policy Developments

A new Trump administration cybersecurity order has reversed certain Biden and Obama-era priorities, including limits on cyber sanctions, termination of the digital ID program, and a refocus on enabling AI, deploying post-quantum cryptography, and promoting secure software development.

Cybersecurity Brief – 2025-06-03

Tue, 03 Jun 2025 00:00:00 +0000

Major Incidents or Breaches

Cartier disclosed a data breach after its systems were compromised, exposing customers’ personal information.
The North Face warned customers of a credential stuffing attack in April that resulted in theft of personal information from its website.
SentinelOne experienced a seven-hour outage due to a software flaw.
A significant phishing campaign is targeting users in France, using leaked personal data to craft convincing emails.
The “Russian Market” cybercrime marketplace has become a major platform for trading credentials stolen by information stealer malware.

Newly Discovered Vulnerabilities

Google released an emergency out-of-band patch for Chrome to address three security issues, including a high-severity zero-day vulnerability under active exploitation.
Qualcomm issued security updates for three zero-day vulnerabilities in its Adreno GPU driver, which have been exploited in targeted attacks.
Three vulnerabilities in preinstalled Android apps on Ulefone and Krüger&Matz smartphones could allow any installed app to reset devices or steal PINs.
New details have emerged about a critical Cisco IOS XE vulnerability, increasing the risk of exploitation by attackers.
Unpatched vulnerabilities in Consilium Safety’s CS5000 Fire Panel could allow takeover of the OT/ICS platform, creating serious safety risks.

Notable Threat Actor Activity

Researchers identified a cryptojacking campaign targeting publicly accessible DevOps web servers (including Docker, Gitea, and HashiCorp Consul), using off-the-shelf tools from GitHub.
An anonymous whistleblower leaked substantial data connected to the alleged operator behind Trickbot and Conti ransomware operations.
Ongoing APT intrusions, AI-powered malware, and zero-click exploits were highlighted in recent threat activity recaps.

Trends, Tools, or Tactics of Interest

Threat actors are increasingly leveraging leaked personal data to enhance the effectiveness of phishing campaigns.
Living-off-the-land techniques and the use of easily accessible tools continue to feature in sophisticated cyber attacks.
The value of all data types is being emphasised in the context of data breaches, not just financial or credential data.
There is a notable trend towards credential theft and resale, as evidenced by the rise of platforms like Russian Market.
Organizations are being encouraged to move from perimeter-based security to data-centric protection strategies.

Regulatory or Policy Developments Affecting the Security Industry

Google Chrome will distrust root CA certificates from Chunghwa Telecom and Netlock in August 2025 due to compliance failures.
Australia has introduced new ransomware payment disclosure rules, requiring certain organizations to report ransomware payments and related communications within 72 hours or face civil penalties.
Microsoft and CrowdStrike have partnered to align hacking group aliases, improving clarity while not standardizing nomenclature.
The Emergency Management and Response – Information Sharing and Analysis Center (EMR-ISAC) has shut down, impacting information sharing for the emergency services sector.

Cybersecurity Brief – 2025-05-30

Fri, 30 May 2025 00:00:00 +0000

Major Incidents or Breaches

ConnectWise, the developer of ScreenConnect remote access software, disclosed a cyberattack attributed to a suspected nation-state threat actor. The breach impacted a limited number of ScreenConnect customers.
Victoria’s Secret took its website and some store services offline following a security incident. The company has engaged third-party experts to investigate.
LexisNexis Risk Solutions reported a data breach affecting over 364,000 individuals, resulting from a December 2024 incident. The breach involved third-party access to customer data, but LexisNexis systems were not directly compromised.
A Managed Service Provider’s SimpleHelp RMM tool was compromised by the DragonForce ransomware group, who exfiltrated data and deployed ransomware across customer endpoints.
SentinelOne experienced a global outage affecting 10 commercial customer consoles, including Singularity Endpoint, XDR, Cloud Security, and related services. Services have since been restored.

Newly Discovered Vulnerabilities

A new Windows Remote Access Trojan (RAT) was identified using corrupted DOS and PE headers to evade detection for weeks.
A vulnerability in Apple Safari enables fullscreen browser-in-the-middle attacks, allowing threat actors to steal account credentials.
Thousands of ASUS routers have been infected and backdoored as part of a large-scale botnet campaign, with the ORB network also affecting Linksys, D-Link, QNAP, and Araknis Network devices.
Microsoft confirmed that some Windows 11 systems may fail to start after installing the KB5058405 security update.
Mozilla released an emergency update (Firefox 139.0.1) to address graphical artifacts on NVIDIA GPUs caused by the previous release.

Notable Threat Actor Activity

Meta disrupted three coordinated influence operations originating from Iran, China, and Romania, which used fake personas to target Romania, Azerbaijan, and Taiwan.
The DragonForce ransomware group exploited flaws in SimpleHelp RMM to deploy ransomware and exfiltrate data from an MSP’s customers.
APT41 (Double Dragon), a Chinese state-sponsored group, used Google Calendar events as command-and-control infrastructure in a recent campaign.
The ‘Everest Group’ is conducting extortion attacks against global organisations by stealing data from SAP SuccessFactors HR tools, targeting entities in multiple countries.
Cybercriminals are distributing malware and ransomware, including CyberLock and Lucky_Gh0$t, via fake installers for popular AI tools such as ChatGPT and InVideo AI.
Threat actors are abusing Google Apps Script to host phishing pages, leveraging the platform’s legitimacy to evade detection.
The ‘Haozi’ gang is selling turnkey phishing-as-a-service kits via Telegram, providing infrastructure and support for low-skilled actors.
PumaBot is targeting Linux devices in a new botnet campaign, employing semi-automated tactics.

Trends, Tools, or Tactics of Interest

Scammers are exploiting uncertainty around US tariff policy to launch phishing and social engineering attacks.
Active credential harvesting phishing campaigns are targeting Capital One customers.
Attackers are increasingly mapping organisational attack surfaces using automated reconnaissance tools, mirroring defender efforts.
Cybercriminals are capitalising on AI tool popularity, using fake installers as lures to spread malware and ransomware.
Usage of the “passwd” command is being tracked in honeypots, indicating ongoing brute-force and credential access attempts.
The deprecation of Microsoft Authenticator’s password autofill feature is prompting migration to Microsoft Edge.
Zscaler’s acquisition of Red Canary highlights the growing importance of telemetry and managed detection and response (MDR) in security operations.

Regulatory or Policy Developments Affecting the Security Industry

The US Treasury Department sanctioned Funnull Technology, a Philippines-based cloud provider, for supporting hundreds of thousands of scam websites involved in “pig butchering” and other cyber fraud schemes linked to over $200 million in losses.
US Customs and Border Protection is storing the DNA of migrant children in a criminal database managed by the FBI, raising privacy and data protection concerns.

Cybersecurity Brief – 2025-05-08

Thu, 08 May 2025 00:00:00 +0000

Major Incidents and Breaches

LockBit Ransomware Gang Breach: The LockBit ransomware group suffered a significant breach, with its dark web affiliate panels defaced and victim negotiation data exposed via a leaked MySQL database. This incident may disrupt ongoing operations and expose sensitive data related to victims and affiliates.
PowerSchool Extortion Escalates: Following a December cyberattack, the PowerSchool hacker is now directly extorting individual school districts, threatening to release stolen student and teacher data if ransoms are not paid.
Masimo Cyberattack: Medical device manufacturer Masimo reported a cyberattack that has disrupted production and caused delays in fulfilling customer orders.
South African Airways Disruption: A cyberattack temporarily disrupted operational systems at South African Airways. The company is investigating potential data theft.

Cybersecurity Brief – 2025-05-06

Tue, 06 May 2025 00:00:00 +0000

Major Incidents or Breaches

UK Retail Sector Attacks: The UK’s National Cyber Security Centre (NCSC) issued new security guidance following three significant cyberattacks targeting major UK retailers.
TeleMessage Breach: TeleMessage, an unofficial Signal message archiving tool used by US government officials, suspended all services after a reported hack.
Educational Sector Disruptions (US): Multiple school districts in Georgia and a university in New Mexico experienced disruptive cyberattacks as the academic year ends.
Darcula Phishing Campaign: The Darcula phishing-as-a-service (PhaaS) platform stole 884,000 credit cards globally via malicious SMS campaigns.
Disney Data Leak: An individual pleaded guilty to stealing sensitive Disney data and falsely claiming to be a Russian hacktivist.
Peru Ransomware Claim: The Rhysida ransomware group claimed responsibility for an attack on the Peruvian government’s domain, though the government denies the incident.

Newly Discovered Vulnerabilities

Android Zero-Day: Google’s May 2025 security update addresses 46 Android vulnerabilities, including one actively exploited in the wild.
Apple AirPlay Zero-Click RCE: Researchers disclosed now-patched, wormable vulnerabilities in Apple’s AirPlay protocol that enabled zero-click remote code execution over public Wi-Fi.
Langflow Critical Flaw: A critical vulnerability in the open-source Langflow platform has been added to CISA’s Known Exploited Vulnerabilities (KEV) list following evidence of active exploitation.
Commvault Command Center: CVE-2025-34028, a maximum-severity flaw in Commvault Command Center, was also added to CISA’s KEV list after confirmation of in-the-wild exploitation.
Samsung MagicINFO CMS: The Mirai botnet is now exploiting a previously patched arbitrary file upload vulnerability (CVE-2024-7399) in Samsung MagicINFO CMS for remote code execution.
Kubernetes Helm Chart Risks: Microsoft warns that default configurations in Kubernetes Helm charts may expose sensitive data publicly.
EDR Bypass Technique: A new “Bring Your Own Installer” technique has been used to bypass SentinelOne’s tamper protection, enabling threat actors to disable endpoint detection and response (EDR) tools.

Notable Threat Actor Activity

Luna Moth (Silent Ransom Group): Increased callback phishing campaigns by Luna Moth targeting US legal and financial institutions, impersonating IT help desks to gain initial access.
Venom Spider: Arctic Wolf Labs identified a spear-phishing campaign by “Venom Spider” targeting hiring managers and recruiters by posing as job seekers.
Russian-Linked Hacktivism: Russian hacktivist group conducted DDoS attacks on Romanian state websites during national elections.
FSB Recruitment via TikTok: Ukrainian authorities detained an alleged FSB agent recruited via TikTok for military espionage.
Myanmar Cyber Scam Sanctions: The US sanctioned Myanmar’s Karen National Army and its leader for involvement in cyber fraud operations.

Trends, Tools, or Tactics of Interest

Stealth and Persistence: Notable rise in stealth tactics designed for long-term access and silent control, with attackers leveraging AI for adaptive, persistent threats.
Phishing-as-a-Service (PhaaS): Darcula’s large-scale SMS phishing operation underlines the growing sophistication and reach of PhaaS platforms.
EDR Evasion: Increasing use of advanced techniques, such as “Bring Your Own Installer,” to bypass endpoint security controls.
Deepfake Evolution: Research reveals deepfakes now retain biometric signals (e.g., heartbeats), presenting new challenges for detection and authentication.
Supply Chain Risks: Ongoing concerns about open-source software security, with warnings about persistent risks from tools like easyjson due to foreign influence and supply chain exposure.

Regulatory or Policy Developments

CISA KEV List Updates: Addition of Langflow and Commvault vulnerabilities to the US CISA Known Exploited Vulnerabilities catalog, increasing urgency for patching.
US Sanctions: Expansion of US sanctions targeting entities and individuals involved in cybercrime and cyber scam operations in Myanmar.
NCSC Guidance: UK’s NCSC published updated security guidance in response to recent cyberattacks on the retail sector, urging all organisations to review and strengthen their cyber defences.

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 – 2025-04-18

Fri, 18 Apr 2025 00:00:00 +0000

Major Incidents and Breaches

Ahold Delhaize Data Breach: Food retail giant Ahold Delhaize confirmed data theft from its U.S. business systems during a November 2024 cyberattack, attributed to the INC ransomware group. The breach impacted operations at several of its 2,000 U.S. stores.
Legends International Breach: Entertainment venue management firm Legends International disclosed a data breach from November 2024 affecting both employees and venue visitors.
Airport Retailer Ransomware Settlement: An airport retailer agreed to a $6.9 million settlement after a ransomware attack exfiltrated personal data (including names and Social Security numbers) of approximately 76,000 current and former employees.
Surge in SMS Phishing Scams: CTM360 reported a global spike in SMS-based reward and toll scams, notably PointyPhish and TollShark, operating via the Darcula Phishing-as-a-Service (PhaaS) platform. Over 5,000 domains are implicated in payment information theft.
Real Cash Scam in the U.S.: A widespread scam is tricking individuals into withdrawing and transferring large sums of cash to fraudsters, resulting in significant financial losses.

Newly Discovered Vulnerabilities

CVE-2025-32433 (Erlang/OTP SSH): A critical pre-auth remote code execution vulnerability in Erlang/OTP SSH was disclosed. The flaw is easily exploitable and requires immediate patching.
CVE-2025-24054 (Microsoft Windows): Actively exploited vulnerability allows NTLM credential theft via file downloads (notably .library-ms files). The flaw is being leveraged in phishing campaigns targeting government and private sector entities.
Chrome Extensions with Hidden Tracking: 57 Chrome extensions (6 million installs) were found to contain hidden tracking code, with capabilities to monitor browsing, access cookies, and potentially execute remote code.

Notable Threat Actor Activity

Mustang Panda: The China-linked Mustang Panda group targeted a Myanmar organization using new tooling, including StarProxy, EDR bypass techniques, and updated TONESHELL malware, demonstrating ongoing innovation.
XorDDoS Malware Expansion: Researchers identified a new XorDDoS controller and expanded infrastructure. The malware now targets Docker, Linux, and IoT environments, with 71% of attacks observed between Nov 2023–Feb 2024.
State-Sponsored ClickFix Campaigns: State-backed actors from Iran, North Korea, and Russia are actively using the ClickFix social engineering technique in targeted malware campaigns over the past three months.
Android Pre-Downloaded Malware: Threat actors are pre-installing malware on Android devices to steal cryptocurrency by covertly swapping wallet addresses.

Trends, Tools, and Tactics

Abuse of Legitimate Platforms: There is a continued increase in the abuse of legitimate domains (e.g., Google Drive, QuickBooks, Microsoft) for phishing attacks, with predictions that this trend will escalate in 2025.
AI in SaaS and Data Exposure: Employees are increasingly using AI-enabled tools (e.g., ChatGPT, SaaS integrations), inadvertently risking sensitive data exposure.
Security Awareness as a Top Challenge: A CyberEdge Group survey found that lack of security awareness among employees remains the primary obstacle to effective cyber defense.
Phishing-as-a-Service (PhaaS): Platforms like Darcula are enabling large-scale, sophisticated SMS phishing operations globally.

Regulatory and Policy Developments

CVE Program Funding Uncertainty: CISA extended MITRE’s CVE program contract by 11 months after initial cuts threatened continuity. The program’s long-term future remains uncertain, raising sector-wide concerns.
Cybersecurity Information Sharing Act Renewal: U.S. senators proposed a 10-year extension of the Cybersecurity Information Sharing Act of 2015 to facilitate continued information sharing between businesses and federal agencies.
Microsoft Office 2016/2019 End-of-Support: Microsoft reminded customers that Office 2016 and 2019 will reach end of extended support on October 14, 2025, impacting security update availability.
Discord Facing Legal and Regulatory Scrutiny: New Jersey filed suit against Discord for alleged failures in protecting children online. Discord is also piloting age verification via facial scans to enhance age-gating.
Leadership Change at SentinelOne: Chris Krebs resigned from SentinelOne after his security clearance was revoked by the Trump administration, reflecting ongoing political tensions impacting cybersecurity leadership.

AI Security

PromptArmor Platform Launch: PromptArmor, a new AI security startup, launched to help organizations assess and monitor third-party AI risks, following notable AI-related vulnerability discoveries.

Other Notable Developments

Security Usability Concerns: Reports highlight that complex security tools lead users to seek workarounds, undermining cyber defense efforts.