Malicious ad‑blocker extensions harvest AI chat logs from 90k users
Two Chrome extensions posing as ad blockers have been siphoning full chat histories from ChatGPT, Claude, Gemini and five other AI services from roughly 90,000 users. The malicious code captures prompts, responses, model details and subscription status, then exfiltrates the data to operator-controlled servers, revealing a sophisticated data‑theft operation.