June 23, 2026
- Brazil's Emergency Alert System hijacked off a decade-old infostealer credential — an actor ("mizanthropiaz") pushed false alerts to hundreds of thousands across São Paulo, Rio, and Brasília after logging in with a username/password harvested by malware in 2016 and never rotated; reports describe no MFA, no IP allowlisting, no rate-limiting, and a static "2+2" CAPTCHA. A textbook case of identity hygiene failure at national scale. The Record · Threat Activity