This Windows Malware is Built to Let Up to Four AI Models Vote on Its Next Move
A Windows malware called CLOSEDQUORUM is built to take orders from a vote of up to four AI models instead of an attacker's server, Cisco Talos said on September 22. The models can choose to steal Windows credentials, saved browser passwords, and crypto wallet data. Talos has not seen this setup work from start to finish, and the public version of the malware does not work as it is. Talos found the malware with CAIRN , an open-source tool it released the same day to hunt for malware that uses AI services. The malware is at least three months old, because Talos's analysis of the code is dated June 17, 2026. The researchers did not describe how the malware would get onto a victim's computer. It said clues in the code tied the developer to criminal forum posts about carding, the trade in stolen card data, dating to 2025. How the AI Vote Works Malware usually takes orders from a command-and-control (C2) server that the attacker runs. CLOSEDQUORUM instead asks up t...
Sep 23, 2026