How Microsoft Defender protects high-value assets in real-world attack scenarios

Collection of Microsoft Security Blog posts (Mar 2026) covering defensive and detection guidance for high-impact threats and emerging AI risks. Key topics: Microsoft Defender’s asset-aware protection for high-value assets (domain controllers, web servers, identity infrastructure); a Trivy supply‑chain compromise that injected credential‑stealing malware into CI/CD distributions with guidance to detect and defend; a case study where predictive shielding stopped GPO‑based ransomware; identity security and Zero Trust guidance for AI; benchmarks and tooling for AI/CTI-driven detection engineering（