Identity security is the new pressure point for modern cyberattacks

Microsoft Security Blog posts (Mar 16–25, 2026) emphasize identity and AI as primary defensive priorities while detailing concrete incidents and tooling for detection and defense. Key items: a call to treat identity as the new pressure point and adopt a unified identity/access strategy; an in-depth analysis and response guidance for the Trivy supply-chain compromise where trusted distribution channels were abused to inject credential‑stealing malware into CI/CD pipelines; a Defender case study showing predictive shielding blocked GPO‑based ransomware at scale; new benchmarks and tools for AI‑a