Signal Roundup — 24 July 2026
Five items this week: passkeys become the default in Microsoft Entra ID as Microsoft-provided SMS and voice retire, a new Purview DLP rule blocks file sharing with named domains and users, Microsoft's Q2 2026 email threat report, a permissions-creep limit that can break the Microsoft Graph PowerShell SDK, and a CISO's guide to governing agentic AI.
Signal Roundup — 10 June 2026
Six items this week: a record-breaking June Patch Tuesday with three public zero-days, a Purview label that blocks Copilot and connected services from reading content, a prompt injection flaw in the Claude Code GitHub Action, threat actors using AI brand names as phishing bait, Microsoft's push toward the Artifact Registry for PowerShell modules, and container labels that now cover guest access to security groups.
Signal Roundup — 24 May 2026
Four items: Microsoft Entra ID Account Recovery and Purview DSPM reach GA; Exchange Online DLP shifts OWA client-side checks from Transport to Data Classification Services; AutoRest deprecation puts the Graph PowerShell SDK pipeline at risk; and Search-UnifiedAuditLog gains a MoreRecordsAvailable property.
Mid-week Signal Roundup — 16 May 2026
Three mid-week items: Microsoft's AI-assisted synthetic attack log generation for detection engineering, the Exchange Server SE May hotfix beginning the EWS-to-Graph migration for hybrid rich coexistence, and Microsoft's defence-in-depth guidance for autonomous AI agents.