Microsoft Security

Microsoft Security

Security Insider

Today's insights for tomorrow's decisions. Stay ahead with regularly updated security guidance and analysis—from AI to Zero Trust.

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December 16, 2025

Agentic AI for Smarter Security

Agentic AI streamlines cybersecurity, lowering costs and alert fatigue while enhancing coverage and productivity for IT teams.

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January 13, 2026 ● NEW

Our most-read insights of 2025: Top 5 insider reads

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January 13, 2026 ● NEW

Urgency, emotion, habit: How a sophisticated scam actually plays out

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December 17, 2025

Security considerations when adopting AI tools

Threat landscape

See all

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October 16, 2025

Microsoft Digital Defense Report 2025

A man in a black shirt is shown with a text overlay displaying Jonathan Bar Or (JBO) Principal Security Researcher | Defender.

November 6, 2025

Inside Microsoft Threat Intelligence: Where Research Powers Resilience

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October 22, 2025

The New Frontlines of Cybersecurity: Lessons from the 2025 Digital Defense Report

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September 24, 2025

Stopping Domain Impersonation with AI

Inside Microsoft Threat Intelligence video series

Microsoft disrupted Storm-1152’s 750 million fake accounts. See how threat intelligence becomes action, disruption, and protection.

Watch episode one
When threat actors strike, Microsoft’s Incident Response team steps into the chaos to bring calm and structure to the equation.

Watch episode two
Follow Senior Security Researcher Thomas Ball in the latest episode of Inside Microsoft Threat Intelligence as he discusses modern threat hunting in the age of AI.

Watch episode three
Explore the foundation that fuels it all–security research–through the lens of Principal Security Researcher Jonathan Bar Or (JBO).

Watch episode four

Editor’s picks

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November 10, 2025

Microsoft Security Spotlight Series: Cyber Resilience Guide

Latest reports

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December 9, 2025

Staying secure online during the holidays

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December 11, 2025

Inside the Security Forum: How leaders are preparing for the agentic era

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40 minutes

The Microsoft Threat Intelligence Podcast

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Why Microsoft Security

Discover why Microsoft Security is the top choice for comprehensive security in the era of AI.

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