Introducing the New Microsoft Security Community Home!

Detection strategies across cloud and identities against infiltrating IT workers

Strengthening Identity Resilience: A Deep Dive into Microsoft Entra Backup and Recovery

New Cloud Security Alliance Survey Reveals 82% of Enterprises Have Unknown AI Agents in Their Environments

Making opportunistic cyberattacks harder by design

Why UK Enterprise Cybersecurity Is Failing in 2026 (And What Leaders Must Change)

Running multimedia AI models on Container Apps with Serverless GPU (A100 & T4)

Detecting Plain‑Text Password Exposure Using Custom Regex in Microsoft Purview

Cross‑tenant helpdesk impersonation to data exfiltration: A human-operated intrusion playbook

Containing a domain compromise: How predictive shielding shut down lateral movement

Maintaining Azure Public IP Inventory by Retrieving Exact Deleted Public IP Using Activity Logs

Dissecting Sapphire Sleet’s macOS intrusion from lure to compromise

Building your cryptographic inventory: A customer strategy for cryptographic posture management

More Than Half of Organizations Experience AI Agent Scope Violations, Cloud Security Alliance Study Finds

Hunting Infostealers - Trusted Platform Abuse

Enforce Cost Limits on KQL Queries and Notebooks in the Microsoft Sentinel Data Lake

Enterprise Cybersecurity in the Age of AI: Why Legacy Security Is Failing as Attackers Move Faster

When the shield becomes the sword: How misconfigured PAM bridges the tiering model

Security Community Spotlight: Fabrício Assumpção

Incident response for AI: Same fire, different fuel

What’s new in Microsoft Entra – March 2026

Credential Exposure Risk & Response Workbook

Running KQL queries on Microsoft Sentinel data lake using API

Microsoft Sentinel data federation: Expand visibility while preserving governance

SANS Institute, Cloud Security Alliance, [un]prompted, and OWASP GenAI Security Project Release Emergency Strategy Briefing as AI-Driven Vulnerability Discovery Compresses Exploit Timelines from Weeks to Hours

Azure Key Vault HSM Platform One Retirement: What Purview BYOK Customers Need to Know

Why External Users Can’t Open Encrypted Attachments in Certain Conditions & How to Fix It Securely

Announcing Public Preview: Security Copilot’s Email Summary in Microsoft Defender

Microsoft Defender for Endpoint (MDE) — Custom Role Design for Troubleshooting Mode–Only Access

Customer Offerings: Hyper-V - Implementation, Migration, and Management