Security blog
Explore insights, industry trends, and practical tips that have the cybersecurity industry buzzing.
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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Iranian Cyber Threats Escalate: New Campaigns Targeting Water, Energy, and Enterprise Infrastructure
The Threat Has Grown — Here’s What Changed In March 2026, we published a threat advisory covering emerging cyber activity…
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When Your Device Management Platform Becomes the Weapon: Lessons from the 2026 Stryker Cyberattack
Security Alert In early 2026, a cyberattack against a major US corporation resulted in attackers using legitimate Microsoft Intune administrative…
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Microsoft Entra Hybrid Join: The New Kerberos Method Changes Everything for Education & Government IT
If your organization still runs Active Directory on-premises while using Microsoft 365 or Azure-based services, Hybrid Join is likely central…
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Defending Against “Legitimate Infrastructure” File-Sharing Phishing Campaigns
K‑12 school districts, colleges and universities, and public sector agencies operating in Microsoft 365 are increasingly being targeted by phishing…
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Guardian 365 IOC Bulletin: Monitoring Emerging Cyber Activity Linked to Iranian Threat Actors
Geopolitical events often influence the global cyber threat landscape. In recent weeks, security researchers and government agencies have been closely…
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Defender for Endpoint Effective Settings: See What’s Really Applied on Your Devices
When it comes to endpoint security, knowing what policies you intended to deploy isn’t always the same as knowing what’s…
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Strengthening Cyber Defense at Speed: Guardian 365, Inforcer, and the New IOC Feed
Cyber threats are evolving faster than ever — and the ability to respond quickly, consistently, and at scale has become…
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Guardian 365 Monthly Bulletin: Major M365 Updates & Retirements - February 2026
Guardian 365 personnel perform a monthly review of the updates provided by Microsoft in the M365 Admin Message Center. Updates…
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Guardian 365 Monthly Bulletin: Major M365 Updates & Retirements - January 2026
Guardian 365 personnel perform a monthly review of the updates provided by Microsoft in the M365 Admin Message Center. Updates…
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