Microsoft Security Copilot agents

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Microsoft·microsoft.com/en-us/security/blog/2025/03/24/microsoft-un...

Credibility Rating

4/5

High(4)

High quality. Established institution or organization with editorial oversight and accountability.

Rating inherited from publication venue: Microsoft

This Microsoft blog post is relevant to AI safety discussions around agentic AI deployment in high-stakes security contexts, autonomous decision-making, and the governance challenges of AI systems operating with reduced human oversight in critical infrastructure defense.

Metadata

Importance: 42/100blog postnews

Summary

Microsoft announces the next evolution of Security Copilot, introducing AI agents designed to autonomously handle critical security tasks such as phishing triage, data security, and identity management. The announcement highlights the growing necessity of AI-driven defenses as cyberattack volume and complexity exceed human response capacity, with over 30 billion phishing emails detected in 2024 alone. The platform integrates with Microsoft Defender, Entra, and Purview to provide end-to-end AI-first security.

Key Points

•Microsoft launches autonomous AI agents within Security Copilot to handle phishing triage, data security, and identity management at scale.
•Over 30 billion phishing emails were detected targeting Microsoft customers between January-December 2024, overwhelming manual security processes.
•The phishing triage agent autonomously handles routine phishing alerts, freeing human defenders for higher-priority tasks.
•Microsoft frames AI agentic security as a necessity, not an option, given the pace and complexity of modern cyberattacks.
•New protections for AI systems are included, reflecting dual focus on securing AI and using AI for security.

Cited by 1 page

Page	Type	Quality
Cyberweapons Risk	Risk	91.0

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## Content types

- [Events](https://www.microsoft.com/en-us/security/blog/content-type/events/)
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## Products and services

- [Microsoft Defender](https://www.microsoft.com/en-us/security/blog/product/microsoft-defender/)
- [Microsoft Entra](https://www.microsoft.com/en-us/security/blog/product/microsoft-entra/)
- [Microsoft Purview](https://www.microsoft.com/en-us/security/blog/product/microsoft-purview/)
- [Microsoft Security Copilot](https://www.microsoft.com/en-us/security/blog/product/microsoft-security-copilot/)

## Topics

- [AI and agents](https://www.microsoft.com/en-us/security/blog/topic/ai-and-machine-learning/)

more

Read the latest on Security Copilot agents preview [here.](https://techcommunity.microsoft.com/blog/securitycopilotblog/rsa-conference-2025-security-copilot-agents-now-in-preview/4406797)

In this age of AI, securing AI and using it to boost security are crucial for every organization. At Microsoft, we are dedicated to helping organizations secure their future with our AI-first, end-to-end security platform.

![Circular diagram showcasing Microsoft’s end-to-end security across AI, clouds, apps, data, devices, and identities. ](https://www.microsoft.com/en-us/security/blog/wp-content/uploads/2025/03/graphics-for-blog_1_MG.webp)

One year ago, we launched [Microsoft Security Copilot](https://www.microsoft.com/security/business/solutions/generative-ai-cybersecurity) to empower defenders to detect, investiga

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