Security blog
Explore insights, industry trends, and practical tips that have the cybersecurity industry buzzing.
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…
Read more 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…
Read more 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…
Read more Top Cybersecurity Trends for 2026
The cybersecurity landscape is shifting faster than most organizations can adapt. In 2026, we face unprecedented pressure as attackers adopt…
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Microsoft Unveils Powerful New Tool for IT Admins to Investigate Security Breaches
Microsoft has released a new AI-enabled investigation platform within its Purview suite, designed to help IT administrators rapidly analyze and…
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Microsoft Purview Security MSSP Blog — January 2026 Update
Microsoft Purview delivered major advances this week: an AI‑powered investigations platform is now generally available, a modernized DSPM experience is…
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Microsoft Defender Security — Forsyte Monthly Briefing (January 2026)
January delivered a high‑tempo start for Microsoft Defender customers and Security MSSPs: a multi‑service outage that impacted Defender XDR, an…
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