Identity security is the new pressure point for modern cyberattacks

Aggregation of Microsoft Security Blog posts (Mar 16–25, 2026) covering multiple high-impact topics: identity security as a primary pressure point for modern attacks; an analysis and detection/mitigation guidance for the Trivy supply‑chain compromise that injected credential‑stealing malware into CI/CD pipelines; a Defender case study where predictive shielding blocked GPO‑based ransomware; new AI/agent security research and tooling (governance of agent intent, CTI‑REALM benchmark, Zero Trust for AI, secure agentic AI, and observability for AI systems); phishing campaigns exploiting tax‑season