We’re excited to welcome back Gary Bushey (Security Architect at Cyclotron) for a deep technical episode covering:
Microsoft Sentinel Data Lake – architecture, scaling, cost optimization, and real-world best practices
Sentinel Graph – powerful new capabilities, dynamic investigations, hidden risk discovery, and how it’s changing threat hunting
Gary brings extensive hands-on experience and has contributed to official Microsoft guidance on these topics. Expect practical insights you can use immediately.
Guest link - Home - Cyclotron
Gary Bushey - linkedin.com/in/gary-bushey
Websites and blog:
github.com (Other)
garybushey.com (Blog)
Words of Wisdom:
“You can be whatever you want, so be the person who ends meetings early”
General
Monthly news – May 2026 | Microsoft Defender XDR Blog
Microsoft Agent 365, now generally available, expands capabilities and integrations | Microsoft Security Blog
How Storm-2949 turned a compromised identity into a cloud-wide breach | Microsoft Security Blog
Kazuar: Anatomy of a nation-state botnet | Microsoft Security Blog
AI Security
When configuration becomes a vulnerability: Exploitable misconfigurations in AI apps | Microsoft Security Blog
Defense at AI speed: Microsoft’s new multi-model agentic security system | Microsoft Security Blog
Agent365
Microsoft Agent 365, now generally available, expands capabilities and integrations | Microsoft Security Blog
What’s New in Agent 365: May 2026 | Microsoft Tech Community
Overview of Microsoft Agent 365 | Microsoft Learn
Microsoft Agent 365 documentation hub | Microsoft Learn
Azure Security & Defender for Cloud News
What’s new in Defender for Cloud features (May/June 2026 updates) | Microsoft Learn
Threat Intelligence
How Storm-2949 turned a compromised identity into a cloud-wide breach | Microsoft Security Blog
Kazuar: Anatomy of a nation-state botnet | Microsoft Security Blog
Microsoft Entra
What’s New in Microsoft Entra: May 2026 | Microsoft Tech Community
Device Management & Protection (Intune)
What’s new in Microsoft Intune (May/June 2026) | Microsoft Learn
Defender XDR & Sentinel
Monthly news – May 2026 | Microsoft Defender XDR Blog
What’s new in Microsoft Sentinel | Microsoft Learn
Best practices for Microsoft Sentinel | Microsoft Learn
Defender XDR + Sentinel integration guide | Microsoft Learn
Agent 365 connector: Monitor, hunt, and investigate AI agent activity in Microsoft Sentinel | Microsoft Sentinel Blog
Copilot for Security
Microsoft Security Copilot overview | Microsoft Learn
Security Copilot agents overview | Microsoft Learn
Purview – Compliance & Governance
Microsoft Purview protections for generative AI & Copilot | Microsoft Learn
Use Microsoft Purview to manage data security for Microsoft 365 Copilot | Microsoft Learn
Purview for AI agents & Agent 365 | Microsoft Learn
Featured Resources & Deep Dives
What’s New in Defender (May / June 2026)
What’s new in Microsoft Defender XDR | Microsoft Learn (Official Reference)
(Preview) Automatic attack disruption can now isolate compromised devices from the network
In advanced hunting, the Take action wizard now lets you allow or block top-level domains and file attachment hashes in emails
New identity-focused predefined scenarios in the hunting graph (Kerberoast, AS-REP roast, OAuth risks, etc.)
Enhanced AI agent visibility and context mapping (expanding in June)
Featured Items This Week:
New Roadmap Items:
Updated Roadmap Items:
New Message Center Items:
Updated Message Center Items:













