396/69 Monday, July 20, 2026 Microsoft has observed a surge in attacks involving ACR Stealer, a malware strain designed to steal passwords, cookies, session data, authentication tokens, and important documents stored on users’ devices. Microsoft detected the campaign from late April to mid-June 2026 and believes that ACR Stealer is a Malware-as-a-Service (MaaS) offering linked to Amatera Stealer. ...