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The January 2026 Incident
Two Chrome extensions discovered in January 2026 — "Chat GPT for Chrome with GPT-5, Claude Sonnet and DeepSeek AI" (600,000+ users) and "AI Sidebar with Deepseek, ChatGPT, Claude and more" (300,000+ users) — were found to be exfiltrating complete AI conversation histories every 30 minutes to a remote command-and-control server.
The extensions presented themselves as privacy and AI enhancement tools. Their Chrome Web Store descriptions emphasized user data protecti...