RE: https:// infosec.exchange/@_r_netsec/11 6745095418100880 PromptSnatcher: AdBlocker stealing Ai Chats — MalExt Sentry https:// malext.io/reports/PromptSnatch
A data collection operation named PromptSnatcher has been identified, consisting of two browser extensions disguised as ad blockers. These extensions secretly record user conversations, model usage, and account details from major AI platforms like ChatGPT, Claude, and Gemini. The operation utilizes public filter lists to maintain a facade of legitimate ad-blocking functionality while covertly transmitting sensitive AI interaction data. AI
IMPACT Users of major AI platforms face risks of sensitive data theft through malicious browser extensions.