Security blog
Explore insights, industry trends, and practical tips that have the cybersecurity industry buzzing.
Microsoft 365 Updates and Retirements: What EDU & SLED IT Teams Need to Know
Microsoft 365 continues to evolve—and for education and state and local government IT teams, those changes can have real operational…
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Practical AI Governance in Microsoft 365: How Education and Public Sector Teams Can Secure AI
AI is already part of the workplace. For K-12 school districts, higher education institutions, and government organizations, employees are using…
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Back-to-School Cybersecurity Threats: What Education IT Teams Should Watch This Fall
The start of a new school year brings more than new students, new schedules, and a flood of help desk…
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Microsoft Is Retiring SMS and Voice MFA: What Education & SLED IT Teams Need to Know
Microsoft is making a major change to authentication in Microsoft Entra ID: SMS and voice will no longer be the…
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Iranian Cyber Threats Continue to Target Government and Higher Education in 2026
Iranian state-sponsored cyber activity is evolving — and government agencies, colleges, universities, and K-12 districts remain among its highest-value targets.…
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Defender XDR Alert: Suspicious Exchange Online Graph Reconnaissance Activity
How Microsoft Defender XDR Detects Directory Enumeration — and What Your Team Should Do Next The most dangerous phase of…
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Microsoft 365 Updates and Retirements EDU & Public Sector IT Teams Should Prepare for Now
Microsoft continues to roll out platform changes that impact Microsoft Intune, Windows security, Defender for Endpoint, and Microsoft Teams. While…
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Three Active Microsoft 365 Phishing Campaigns Targeting Schools and Government Agencies
School districts, universities, and state and local government agencies share something that makes them high-value targets for threat actors: large,…
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Critical Microsoft 365 Updates for K–12, Higher Education, and Government IT Teams — July 2026
Your monthly digest from Guardian 365: what’s changing in M365, what it means for your environment, and what to do…
Read moreThe Canvas Breach Reached Further Than You Think.
If your institution uses Canvas and Microsoft 365, the risk didn’t stop at Instructure. It’s sitting in your Entra ID…
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