STAC4749: Chaos Ransomware in Under 17 Hours via Teams IT Support Scam 1. Basic Information Article Name : Chaos in Teams vishing Publisher : Sophos Publication Date : 2026-07-28 (Detailed report by target site BleepingComputer on 2026-07-30) Original Source : https://www.sophos.com/en-us/blog/chaos-in-teams-vishing Related Source : https://www.bleepingcomputer.com/news/security/microsoft-teams-vishing-attacks-lead-to-chaos-ransomware-attacks/ Relat...