Security Insider

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

Threat Landscape • Oct 1, 2026 •  10 min read

MDDR: AI is changing the physics of cybersecurity; Defense has to change with it

The 2026 Microsoft Digital Defense Report reveals a security environment where attack timelines are compressing, sophisticated capabilities are becoming more accessible, and agentic systems are beginning to automate more of the attack chain.

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Emerging Trends • July 31, 2026 •  6 min read

Zero Trust for AI: Rebuilding security controls for autonomous and agentic systems

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Threat landscape • Jun 3, 2026 • 23 min watch

Cybercrime gets headlines; Nation States shape the battlefield

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Emerging Trends • Jun 5, 2026 • 20 min watch

AI security strategy requires strong governance

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Threat landscape • May 19, 2026 • 8 min read

Hot Cybercrime Summer: Understanding the Modern Cybercrime Operating Model

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Threat landscape • Apr 30, 2026 • 20 min watch

Social engineering is scaling faster than ever

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Threat landscape • Mar 31, 2026 • 9 min read

The threat to critical infrastructure has changed. Has your readiness?

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Threat landscape • Feb 25, 2026 • 20 min watch

Modern threats demand modern discipline

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