Cyber Security
Four Nation-State Groups Deploy BlueMoon Kit Within 12 Days
NSA, CISA, FBI Accuse Six Chinese AI Firms of Model Distillation
UNC3569 Exploits Sogou Input Method to Deploy GRAYRABBIT Backdoor
Attackers Use BYOD Weaknesses to Access M365 via Graph API
Surfshark VPN Breach Exposes Internal Testing and Proxy Servers
Citrix NetScaler CVE-2026-19490 Exploited Since September 3
CISA Sets September 12 Deadline for Cisco, Citrix, Fortinet Flaws
Infostealer Logs Expose Replayable AI Tokens That Bypass MFA
Google Patches Seventh Chrome Zero-Day of 2026, CVE-2026-87491
PoisonedRefresh Rootkit Injects PHP Web Shells into F5 BIG-IP Memory
September Windows Server Updates Break Remote Desktop Services
Microsoft Excel KB5002914 Update Breaks Copy and Paste Functions
cPanel Critical RCE Enables Full Server Takeover via Mail Account
SAP Patches CVSS 10.0 Kernel RCE in Extended Passport Processing
Microsoft Ships Record 974 Security Patches in September Batch
ShinyHunters Claims Breach of Florida DMV DAVID Database
Grindr Settles UK HIV Data Sharing Lawsuit for £26 Million
Liquid Network Attackers Return 3,400 Bitcoin, Keep $47 Million
OpenAI Artifactory Flaw Enabled Cross-Account Data Theft
Boston Scientific Cyberattack Damages Q3 and Full-Year Earnings
Ohio Man Sentenced to 15 Years for AI-Generated Sextortion
LG Accused of Privacy Violations Over Smart TV Data Collection
Microsoft Adds Age-Awareness APIs to Windows 11
EU Cyber Resilience Act 24-Hour Vulnerability Deadline Arrives
UK Lawmakers Question Cyber Bill’s Executive Liability Exemption
Welsh Regulator Exposes 2,000 Staff Diversity Records via FoI Error
OpenAI Agent Swarm Logs Reveal Emergent Deception and Coordination
PEEP Toolkit Turns Chrome and Edge Into Post-Exploitation Backdoors
Magento StyleSmuggler Zero-Day Deploys Linux Backdoors on Stores
Mathspace Breach Exposes Data of Over 1 Million Students and Staff
Application Security
CVE-2026-42824: M365 Copilot SearchLeak Enables 1-Click Email Theft
Varonis disclosed a three-step vulnerability chain in Microsoft 365 Copilot that allowed attackers to steal emails and documents with a single crafted link.
Cybersecurity
Novo Nordisk Confirms Hack of Clinical Trial Biomarker Data
Novo Nordisk confirmed a breach exposing pseudonymized clinical trial biomarker data and healthcare provider records. No threat actor claimed responsibility.
Application Security
SearchJack: 23 Chrome Extensions Intercept 758,000 Users’ Searches
MalExt Sentry found 23 Chrome extensions routing 758,000 users' search queries through attacker relay servers to generate unauthorized advertising revenue.
TheGentlemen Ransomware Posts 20 Victims Across 14 Countries
Cybersecurity
TheGentlemen Ransomware Posts 20 Victims Across 14 Countries
TheGentlemen ransomware posted 20 new victims across 14 countries, including Croatia's Health Ministry and Denmark's National Museum, using double extortion.
Application Security
PromptSnatcher Extensions Stole AI Chats From 90,000 Users
Two Chrome ad blocker extensions captured conversations from 90,000 users across ChatGPT, Claude, Gemini, and five other AI platforms, researchers found.
Blog
Triple Extortion Ransomware: How It Works and How to Stop It
Triple extortion ransomware attacks combine encryption, data theft, and DDoS pressure to coerce payment from multiple angles. This guide explains the full attack lifecycle, real-world ...
Application Security
Chrome 149 Patches 28 Flaws, Including 12 Use-After-Free Bugs
Google's Chrome 149 security update patches 28 vulnerabilities, roughly 12 use-after-free bugs, a memory corruption class tied to drive-by code execution.
Application Security
OpenClaw AI Agent Hijacked via Malicious vCard Injection
Researchers showed OpenClaw AI agents can be hijacked through vCards with embedded instructions, enabling attacker code execution and sensitive data leakage.
Cybersecurity
Kyushu Electric Loses Drive With Data on 10.9M Customers
Kyushu Electric Power lost a physical storage device containing personal records on 10.9 million customers, exceeding its active customer base of 8 million.
Cybersecurity
Anthropic Disputes Jailbreak Claim Against Claude Fable 5
Anthropic disputed a researcher jailbreak claim against Claude Fable 5, arguing the technique does not constitute a bypass of the model's safety classifiers.
Application Security
Six Proto6 Flaws in protobuf.js Enable Node.js RCE
Six Proto6 vulnerabilities in protobuf.js enable remote code execution and denial-of-service against Node.js apps via malicious schemas or crafted payloads.
Application Security
npm v12 Disables Auto-Run Scripts to Cut Supply Chain Risk
npm v12 will disable install scripts by default, requiring an explicit allowlist and closing the primary vector used by Miasma and Shai-Hulud attackers.
Cybersecurity
Anthropic Releases Guardrail-Free Mythos 5 to Security Researchers
Anthropic released Claude Mythos 5 with safety guardrails intentionally removed to vetted security researchers alongside the public Claude Fable 5 launch.
Cybersecurity
Novo Nordisk Discloses Breach of Clinical Trials Patient Data
Novo Nordisk disclosed a breach of clinical trials patient data, triggering GDPR, GCP, and clinical research regulatory obligations across global operations.
Cybersecurity
Europol Dismantles AudiA6 Crypto Laundering Service
Europol dismantled AudiA6, a cryptocurrency laundering service that processed over $380 million in ransomware extortion proceeds for criminal networks.
Application Security
Three LangGraph Flaws Chain to Remote Code Execution
Three patched LangGraph vulnerabilities chain from SQL injection to remote code execution on self-hosted AI agent framework deployments, researchers disclosed.
Cybersecurity
OnyxC2 Stealer Targets 200+ Apps for $250 Per Month
OnyxC2, a new MaaS information stealer priced at $250 per month, targets 200-plus applications using DLL sideloading and encryption to evade detection.
Cybersecurity
Maine AG Portal Abused to Post Fabricated Breach Notices
Threat actors filed fraudulent breach notices through Maine's AG portal, publishing false disclosures on a government site; VRChat denied the fabricated claim.
Application Security
Fortinet FortiSandbox CVE-2026-25089 Allows Unauthenticated RCE
Fortinet patched CVE-2026-25089, a CVSS 9.1 OS command injection in FortiSandbox's Web UI exploitable by unauthenticated attackers via crafted HTTP requests.
Application Security
OpenSSL Patches 16 Flaws Including Heap Use-After-Free RCE Risk
OpenSSL released 16 security fixes, led by CVE-2026-45447, a HIGH severity heap use-after-free in PKCS7_verify() that may enable RCE via crafted S/MIME messages.
Cybersecurity
Russian Actor Uses AI to Exploit PaperCut, Hits 440+ Organizations
Cybersecurity
ShinyHunters Claims Breach of Florida DMV DAVID Database
Application Security
GoldFactory and Mantax Otax Target Indonesian Android Bank Users
CVE Vulnerability Alerts
Aurora Ransomware Operators Use Cursor AI to Execute Network Attacks

TOP CYBERSECURITY HEADLINES

This Week’s Security Spotlight

Cybersecurity
Russian Actor Uses AI to Exploit PaperCut, Hits 440+ Organizations
Cybersecurity
LG Accused of Privacy Violations Over Smart TV Data Collection
Application Security
OpenAI Agents Made 18,000 Unauthorized Edits to German Wiki
Application Security
Judge Rules Pentagon Actions Against Anthropic Unlawful
Trending

Daily Briefing Newsletter

Subscribe to the Daily Security Review Email Briefing to stay informed on the latest threats, trends, and technology, along with insightful columns from industry experts.

Featured Videos​

  • All
  • Application Security
  • Blog
  • CVE Vulnerability Alerts
  • Cybersecurity
  • Cybersecurity Newsletter
  • Data Security
  • Endpoint Security
  • Identity and Access Management
  • Information Security
  • Network Security
  • News
  • Phishing
  • Podcasts
  • Product Reviews
  • Ransomware
  • Ransomware Victims
  • Resources
  • Security Spotlight
  • Sponsored
  • Threat Actors
  • Threat Actors
  • Threat Detection Tools
TheGentlemen Ransomware Posts 20 Victims Across 14 Countries
TheGentlemen ransomware posted 20 new victims across 14 countries, including Croatia's Health Ministry and Denmark's National Museum, using double extortion.
PromptSnatcher Extensions Stole AI Chats From 90,000 Users
Two Chrome ad blocker extensions captured conversations from 90,000 users across ChatGPT, Claude, Gemini, and five other AI platforms, researchers found.
Triple Extortion Ransomware: How It Works and How to Stop It
Triple extortion ransomware attacks combine encryption, data theft, and DDoS pressure to coerce payment from multiple angles. This guide explains the full attack lifecycle, real-world ...
Chrome 149 Patches 28 Flaws, Including 12 Use-After-Free Bugs
Google's Chrome 149 security update patches 28 vulnerabilities, roughly 12 use-after-free bugs, a memory corruption class tied to drive-by code execution.
OpenClaw AI Agent Hijacked via Malicious vCard Injection
Researchers showed OpenClaw AI agents can be hijacked through vCards with embedded instructions, enabling attacker code execution and sensitive data leakage.
Kyushu Electric Loses Drive With Data on 10.9M Customers
Kyushu Electric Power lost a physical storage device containing personal records on 10.9 million customers, exceeding its active customer base of 8 million.
Anthropic Disputes Jailbreak Claim Against Claude Fable 5
Anthropic disputed a researcher jailbreak claim against Claude Fable 5, arguing the technique does not constitute a bypass of the model's safety classifiers.
Six Proto6 Flaws in protobuf.js Enable Node.js RCE
Six Proto6 vulnerabilities in protobuf.js enable remote code execution and denial-of-service against Node.js apps via malicious schemas or crafted payloads.
npm v12 Disables Auto-Run Scripts to Cut Supply Chain Risk
npm v12 will disable install scripts by default, requiring an explicit allowlist and closing the primary vector used by Miasma and Shai-Hulud attackers.
Anthropic Releases Guardrail-Free Mythos 5 to Security Researchers
Anthropic released Claude Mythos 5 with safety guardrails intentionally removed to vetted security researchers alongside the public Claude Fable 5 launch.
Novo Nordisk Discloses Breach of Clinical Trials Patient Data
Novo Nordisk disclosed a breach of clinical trials patient data, triggering GDPR, GCP, and clinical research regulatory obligations across global operations.
Europol Dismantles AudiA6 Crypto Laundering Service
Europol dismantled AudiA6, a cryptocurrency laundering service that processed over $380 million in ransomware extortion proceeds for criminal networks.
Three LangGraph Flaws Chain to Remote Code Execution
Three patched LangGraph vulnerabilities chain from SQL injection to remote code execution on self-hosted AI agent framework deployments, researchers disclosed.
OnyxC2 Stealer Targets 200+ Apps for $250 Per Month
OnyxC2, a new MaaS information stealer priced at $250 per month, targets 200-plus applications using DLL sideloading and encryption to evade detection.
Maine AG Portal Abused to Post Fabricated Breach Notices
Threat actors filed fraudulent breach notices through Maine's AG portal, publishing false disclosures on a government site; VRChat denied the fabricated claim.
Fortinet FortiSandbox CVE-2026-25089 Allows Unauthenticated RCE
Fortinet patched CVE-2026-25089, a CVSS 9.1 OS command injection in FortiSandbox's Web UI exploitable by unauthenticated attackers via crafted HTTP requests.
OpenSSL Patches 16 Flaws Including Heap Use-After-Free RCE Risk
OpenSSL released 16 security fixes, led by CVE-2026-45447, a HIGH severity heap use-after-free in PKCS7_verify() that may enable RCE via crafted S/MIME messages.
Akira Claims Industrial Finisher, NJ Country Club, Architecture Firm
Akira ransomware posted three US victims on June 9: Spray Equipment with 26GB of W-2 records and engineering drawings, Rockaway River Country Club, and SMPC ...
Chaos Ransomware Lists Airespring as Iranian False-Flag History Looms
Chaos ransomware listed US telecom provider Airespring on its leak site. Rapid7 documented Chaos as a MuddyWater Iranian APT false-flag tool, complicating attribution.
Shai-Hulud Hades Wave Poisons 29 Bioinformatics PyPI Packages
The Shai-Hulud Hades variant targeted ~29 bioinformatics and ML PyPI packages in a second wave, introducing a loader-payload split and bringing the campaign past 100 ...