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

Microsoft Security Blog posts (Mar 2026) cover defensive guidance and case studies across high-risk enterprise areas: asset‑aware Microsoft Defender protections for high‑value assets (domain controllers, web servers, identity infrastructure) using Security Exposure Management; a Trivy supply‑chain compromise that injected credential‑stealing malware into CI/CD with detection/mitigation guidance; a case study where predictive shielding prevented GPO‑based ransomware; identity and Zero Trust guidance; new benchmarks and tooling for detection engineering (CTI‑REALM); and multiple pieces on secure