ACR Stealer: Two observed intrusion chains amid increased threat activity

In this article 1. Campaign 1: WebDAV-based ClickFix with Python loaders and blockchain C2 2. Campaign 2: MSHTA-initiated PowerShell chain with steganographic payload delivery 3. Mitigation and protection guidance 4. References 5. Learn more From late April 2026 to mid-June 2026, Microsoft Defend...