[steam]

June 17, 2026

• Steam Workshop / Wallpaper Engine abused since late 2025 to distribute malware via wallpaper packages, hijacking accounts and primarily targeting gamers in China and Russia. Securelist, BleepingComputer. · Supply Chain

in Microsoft 365 Copilot 'SearchLeak' Enables One-Click Data Theft as Novo Nordisk Loses Internal AI Models to Extortionists