Polymarket is a platform for prediction markets using cryptocurrency. It lets users bet on what might happen in real-life events like elections, economic data, sports, and cultural events. The company has shared little information about the incident. “This morning we discovered a 3rd party vendor had been compromised, injecting a …

Anthropic said that Claude Mythos 5, its strongest AI security model, will be sent back to some U.S. orgs that manage and protect important systems. This comes after a government review that started on June 12, 2026. The model showed a unique skill to find software problems on its own, …

A complex phishing attack targets AWS console users by misusing Cloudflare-hosted websites to steal login details. Each domain had a nearly identical copy of the AWS login page. It used a server-driven process that switched to email, SMS, or authenticator-app MFA challenges, allowing for real-time collection of second factors. The phishing …