Blumira Briefings
Staying on top of security news shouldn't be another full-time job.
Enter Blumira Briefings, our weekly panel series where security experts break down the headlines you might have missed, and explain what they actually mean for your security practice! 🔒
Each week, join a lineup of different Blumira experts (and sometimes special guests!) who will:
- Share the top threats, suspects, and risks we're seeing across our detection and response platform
- Discuss significant security stories and what they mean for YOU
- Provide practical advice you can actually implement right away
••Keep it conversational, informative, and under 30 minutes
Blumira Briefings
New Year, New Blumira Briefing: AiTM Attacks, AD/POSIX, and AI Agents
Use Left/Right to seek, Home/End to jump to start or end. Hold shift to jump forward or backward.
Blumira Briefings are back for 2026 with a svelte new runtime to get you the critical security developments you need to know about even faster.
In this episode:
- Microsoft 365 services being exploited in sophisticated Adversary-in-the-Middle phishing campaigns
- Active Directory vulnerability involving the 'primaryGroupID' attribute that could enable privilege escalation
- Emerging security challenges in AI agent runtime environments
Like the new look? Wanna see us cover something in next week's episode? Let us know below!
Sources:
AiTM Phishing Campaign: https://www.microsoft.com/en-us/security/blog/2026/01/21/multistage-aitm-phishing-bec-campaign-abusing-sharepoint/
Active Directory Vulnerability: https://trustedsec.com/blog/adventures-in-primary-group-behavior-reporting-and-exploitation
AI Agent Security Risks: https://www.microsoft.com/en-us/security/blog/2026/01/23/runtime-risk-realtime-defense-securing-ai-agents/