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Cybersecurity – Microsoft Secure
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Latest posts
Last updated about 3 hours ago
Secure agentic AI for your Frontier Transformation
about 8 hours ago
Today we shared the next step to make Frontier Transformation real for...
AI as tradecraft: How threat actors operationalize AI
3 days ago
In this article AI as an enabler for cyberattacksPost-compromise misuse of AIEmerging...
AI as tradecraft: How threat actors operationalize AI
3 days ago
In this article AI as an enabler for cyberattacksPost-compromise misuse of AIEmerging...
Women’s History Month: Encouraging women in cybersecurity at every career stage
4 days ago
Women’s History Month—and International Women’s Day on March 8, 2026—always gives me...
Malicious AI Assistant Extensions Harvest LLM Chat Histories
4 days ago
Microsoft Defender has investigated malicious Chromium-based browser extensions that impersonate legitimate AI...
Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale
5 days ago
In this article Operational overview of Tycoon2FAMitigation and protection guidanceMicrosoft Defender detections...
Signed malware impersonating workplace apps deploys RMM backdoors
6 days ago
In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to...
Signed malware impersonating workplace apps deploys RMM backdoors
6 days ago
In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to...
OAuth redirection abuse enables phishing and malware delivery
7 days ago
Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets...
OAuth redirection abuse enables phishing and malware delivery
7 days ago
Microsoft observed phishing-led exploitation of OAuth’s by-design redirection mechanisms. The activity targets...
Threat modeling AI applications
11 days ago
Proactively identifying, assessing, and addressing risk in AI systems We cannot anticipate...
Threat modeling AI applications
11 days ago
Proactively identifying, assessing, and addressing risk in AI systems We cannot anticipate...