Malware & Threats Extension Banned for Stealing AI Chats Returns to Chrome Store, Resumes Malicious Activities The extension amassed over 300,000 installs and a 4.6 rating before Google removed it for stealing data. Eduard Kovacs3 hours ago
Malware & Threats 100 Chrome Extensions Steal User Data, Create Backdoor Published through five accounts, the extensions appear part of a coordinated campaign based on shared C&C infrastructure. Ionut ArghireApril 15, 2026
Artificial Intelligence Vulnerability Allowed Hijacking Chrome’s Gemini Live AI Assistant Malicious extensions could hijack the Gemini Live in Chrome feature to spy on users and steal their files. Ionut ArghireMarch 2, 2026
Artificial Intelligence Chrome, Edge Extensions Caught Stealing ChatGPT Sessions Marketed as ChatGPT enhancement and productivity tools, the extensions allow the threat actor to access the victim's ChatGPT data. Ionut ArghireJanuary 27, 2026
Malware & Threats Chrome Extensions With 900,000 Downloads Caught Stealing AI Chats Impersonating a legitimate extension from AITOPIA, the two malicious extensions were also exfiltrating users’ browser activity. Ionut ArghireJanuary 7, 2026
Malware & Threats GhostPoster Firefox Extensions Hide Malware in Icons The malware hijacks purchase commissions, tracks users, removes security headers, injects hidden iframes, and bypasses CAPTCHA. Ionut ArghireDecember 17, 2025
Artificial Intelligence AI Sidebar Spoofing Puts ChatGPT Atlas, Perplexity Comet and Other Browsers at Risk SquareX has shown how malicious browser extensions can impersonate AI sidebar interfaces. Eduard KovacsOctober 23, 2025
Supply Chain Security Several Chrome Extensions Compromised in Supply Chain Attack Cyberhaven and other Chrome extensions were compromised in a supply chain attack targeting Facebook advertising users. Ionut ArghireDecember 30, 2024