Cybersecurity Brief – 2025-09-26

Fri, 26 Sep 2025 00:00:00 +0000

Major Incidents or Breaches

The Co-operative Group (UK) reported a loss of £80 million ($107 million) in operating profit due to a cyberattack attributed to the Scattered Spider threat group.
RTX (Raytheon Technologies) confirmed a ransomware attack affecting its airport services division.
Volvo Group disclosed that employee data was stolen in a ransomware attack linked to the Miljödata breach, impacting multiple Swedish organizations and municipalities.
An unofficial npm package mimicking ‘postmark-mcp’ was found to exfiltrate users’ email communications.
Over 500 npm packages were infected by the Shai-Hulud worm in a supply-chain attack, impacting packages with millions of downloads.
Two malicious Rust crates (fast_tlog and fast_log) on crates.io were found stealing Solana and Ethereum wallet keys from developers, with 8,424 downloads confirmed.

Newly Discovered Vulnerabilities

Cisco disclosed multiple zero-day vulnerabilities in its ASA firewalls and IOS devices, several of which have been actively exploited in the wild, including by nation-state actors (notably the “ArcaneDoor” campaign). Exploits have resulted in remote code execution and privilege escalation.
Salesforce patched a critical vulnerability (“ForcedLeak”) in the Agentforce AI platform that allowed prompt injection attacks, potentially exposing CRM data via AI agent manipulation and expired domain abuse.
Cisco patched a zero-day flaw affecting routers and switches, enabling remote attackers with admin privileges to execute arbitrary code as root.

Notable Threat Actor Activity

The China-linked APT group UNC5221 deployed new versions of the “Brickstorm” backdoor on edge devices, targeting appliances that cannot run traditional EDR agents. Campaigns persisted undetected for nearly 400 days, with evidence of analysis of stolen code to weaponize additional zero-day vulnerabilities.
North Korean actors behind the “Contagious Interview” campaign have been linked to a new backdoor dubbed AkdoorTea, along with tools TsunamiKit and ExistentialKit, targeting global cryptocurrency developers.
The threat actor “Vane Viper” was identified as operating a large-scale ad fraud and malware network, generating over 1 trillion DNS queries and using shell companies to obfuscate operations.
Chinese APT “RedNovember” targeted US defense contractors, government, aerospace, and legal organizations in a recent espionage campaign.
Microsoft reported a new variant of the XCSSET macOS malware targeting Xcode developers, with enhanced browser targeting and credential theft features.

Trends, Tools, or Tactics of Interest

A new AI-driven phishing platform, “SpamGPT”, was observed automating attack campaigns by leveraging generative AI and integrated email campaign tools.
Attackers are using AI-powered development platforms (Lovable, Netlify, Vercel) to rapidly create and host convincing fake CAPTCHA pages for phishing.
A fresh phishing campaign is targeting PyPI users by impersonating administrators and directing victims to credential-harvesting sites.
SVG-based phishing campaigns continue, with recent attacks using malicious SVG files disguised as recipes to deliver malware.
Webshells are increasingly being hidden in “.well-known” directories to evade detection.
Gcore Radar reported that the technology sector has overtaken gaming as the top target for DDoS attacks, with a 41% year-on-year increase and attack peaks reaching 2.2 Tbps.
Cloud Security Alliance introduced a SaaS Security Controls Framework to help customers manage shared responsibility in SaaS environments.

Regulatory or Policy Developments Affecting the Security Industry

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an emergency directive mandating federal agencies to identify, mitigate, and patch Cisco zero-day vulnerabilities exploited in active attacks.
Microsoft announced it will offer free extended security updates for Windows 10 users in the European Economic Area (EEA), including all EU member states, Iceland, Liechtenstein, and Norway.
LinkedIn will use user data for AI training by default unless users opt out.
Canadian privacy commissioners accused TikTok of improperly collecting data from hundreds of thousands of children on its platform.

Cybersecurity Brief – 2025-09-04

Thu, 04 Sep 2025 00:00:00 +0000

Major Incidents or Breaches

Jaguar Land Rover experienced a severe cyberattack, forcing the disconnection of systems and causing significant disruption to both retail and manufacturing operations.
Workiva, a major SaaS provider, disclosed a data breach after attackers accessed customer data via a compromised third-party Salesforce CRM system.
Multiple security firms, including Cloudflare, Palo Alto Networks, and Zscaler, were impacted by a breach involving Salesforce, Salesloft, and Drift, resulting in the exposure of customer contact information and case data.
The Pennsylvania Attorney General’s office confirmed a ransomware attack that caused weeks-long outages of email, phone, and web services. No ransom was paid.
Wiz Research reported a data leak at Chinese AI company DeepSeek, exposing over 1 million sensitive log streams.
The US Department of Justice filed a lawsuit against Apitor Technology for exposing children’s geolocation data to a Chinese third party without consent.
Disney agreed to pay $10 million to settle US FTC claims regarding the improper collection of children’s data on YouTube.

Newly Discovered Vulnerabilities

Google released September 2025 Android updates addressing over 100 vulnerabilities, including at least two zero-days (CVE-2025-2355, CVE-2025-2356) that are actively exploited.
A high-severity use-after-free vulnerability in Google Chrome’s V8 JavaScript engine was patched, preventing potential remote code execution.
CISA flagged an actively exploited vulnerability in TP-Link TL-WA855RE Wi-Fi range extenders, allowing attackers to reset and hijack affected devices. CISA recommends retiring these discontinued devices.
Exploit attempts were observed for CVE-2025-5086, a vulnerability in Dassault DELMIA Apriso used in manufacturing environments.
A WhatsApp bug, in conjunction with an Apple zero-day, is being used in targeted zero-click attacks against iPhone users, potentially for spyware deployment.

Notable Threat Actor Activity

An Iran-linked group, identified as Homeland Justice APT and associated with MOIS, conducted a coordinated spear-phishing campaign targeting over 100 embassy and consulate email accounts globally, aiming to spy on diplomats and international organisations.
Russian APT28 (Fancy Bear) is leveraging new ‘NotDoor’ malware to abuse Microsoft Outlook for covert data exfiltration.
North Korean IT worker scams remain a focus of regional countermeasures, with Japan and South Korea collaborating with private sector partners to disrupt these operations.
Malicious npm packages targeting Ethereum smart contract developers were discovered, using blockchain smart contracts to perform malicious actions on compromised systems.
Automated sextortion spyware, identified as a variant of “infostealer” malware, is taking screenshots and webcam photos of victims viewing adult content for extortion purposes.
Threat actors are using X’s Grok AI assistant to bypass link posting restrictions and distribute malicious links on the platform.
PayPal users are being targeted in a sophisticated email scam with the subject “Set up your account profile.”

Trends, Tools, or Tactics of Interest

Threat actors are rapidly adopting AI-powered offensive tools, specifically HexStrike AI, to exploit newly disclosed n-day vulnerabilities, including Citrix flaws, within days of public disclosure.
Increasing use of generative AI by attackers to craft more convincing phishing emails.
Endpoint security is seeing a shift towards AI-driven solutions, as highlighted in the 2025 Gartner Magic Quadrant, with a focus on countering advanced ransomware and phishing attacks.
Research indicates that compromised routers can remain undetected and accessible on the internet for years, highlighting persistent risks to infrastructure.
Geolocation data is being increasingly weaponised in advanced persistent threat (APT) operations and malware, enabling targeted attacks based on physical location.

Regulatory or Policy Developments

CISA, NSA, and 19 international partners released a joint statement outlining a shared vision for the Software Bill of Materials (SBOM), promoting its role in securing global software supply chains.
The US Department of State announced a $10 million bounty for information on three Russian FSB officers involved in cyberattacks against US critical infrastructure.
Law enforcement, in cooperation with the Alliance for Creativity and Entertainment, disrupted Streameast, the world’s largest illegal sports streaming platform, with arrests made in Egypt.

Ethereum on DanSec Daily

Cybersecurity Brief – 2025-09-26

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments Affecting the Security Industry

Cybersecurity Brief – 2025-09-04

Major Incidents or Breaches

Newly Discovered Vulnerabilities

Notable Threat Actor Activity

Trends, Tools, or Tactics of Interest

Regulatory or Policy Developments