Paranoid Claude agents are attacking each other with custom malware

Huge breach leaks terabytes of data from major firms, and old credit cards are being revived Created for znamenski.techradar@blogger.com | Web Version   August 26, 2026 CONNECT WITH TECHRADAR PRO  CONNECT WITH TECHRADAR PRO    Your round-up of the top security news of the week SIGN UP ⋅   SHARE Top stories Why are ‘paranoid’ Claude agents launching a turf war and deploying self-replicating malware against each other? Killing processes, disabling rival accounts, and building self-replicating malware Read more Experts manage to hack Microsoft Copilot by continually asking it questions about itself An AI isn't secure if it's gullible and can be tricked into compliance, experts find. Read more Massive supply-chain attack sees terabytes of data belonging to some of the world’s biggest organizations leaked online Hackers compromised a security tool, used it to steal the publishing keys of a popular AI tool, and released a poisoned version under that tool's real name in a far-reaching attack Read more Experts warn expired credit cards can be brought back from the dead to make contactless payments That expired card in your drawer might not be nearly as dead as you think: researchers made one pay $100 for a grocery run. Read more New malware targets Microsoft Teams users by posing as your company's IT helpdesk Victims are being told to install a fake cleaner software which is nothing more than a backdoor framework. Read more Over 9 million facial recognition images leaked in major breach at reverse image search and ID verification service ClarityCheck locks down huge database after being notified about the spill. Read more Follow TechRadar Pro Contact Us: Feedback | Advertise Sign Up | Update Profile | Unsubscribe Privacy Policy | Cookies Policy | Terms and Conditions When you purchase through links in our content, we may earn an affiliate commission.   © Future Publishing Limited. Reg No. 2008885 England. Quay House, The Ambury, Bath BA1 1UA.