By Ax Sharma
Publication Date: 2026-05-10 17:52:00
Attackers are abusing Google Ads and legitimate Claude.ai shared chats as part of an active malvertising campaign.
Users searching for “Claude Mac Download” may encounter sponsored search results with this listing Claude.ai as a target website, but lead to instructions that install malware on your Mac.
(Bleeping Computer)
Shared Claude chats have been used as a weapon against macOS users
The campaign was discovered by Berk Albayrak, a security engineer at Trendyol Group, who shared his findings on LinkedIn.
Albayrak identified a chat shared by Claude.ai posing as an official “Claude Code on Mac” installation guide and attributed to “Apple Support.”
The chat walks users through opening Terminal and pasting a command that will silently download and run malware on their Mac.
While trying to verify Albayrak’s results, BleepingComputer came across one second shared Claude chat…