Containing a domain compromise: How predictive shielding shut down lateral movement
Microsoft SecurityArchived Apr 17, 2026✓ Full text saved
Domain compromise accelerates fast. Predictive shielding slowed it down. This real-world attack shows how exposure-based containment stopped credential abuse and broke the threat actor's momentum. The post Containing a domain compromise: How predictive shielding shut down lateral movement appeared first on Microsoft Security Blog .
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✦ AI Summary· Claude Sonnet
April 16
Dissecting Sapphire Sleet’s macOS intrusion from lure to compromise
The Microsoft Defender Security Research Team uncovered a sophisticated macOS intrusion campaign attributed to the North Korean threat actor Sapphire Sleet that abuses user driven execution and social engineering to bypass macOS security protections and steal credentials, cryptocurrency assets, and sensitive data.