Microsoft Security Blog

Microsoft11h11 hours agoCovered by915 min read

MicrosoftMicrosoft Threat IntelligenceMicrosoft Defender ExpertsMicrosoft Security Research

Covered by9 sites

The Hacker News, Dark Reading, and more ›

Covers 1 story

Disrupting EvilTokens: The AI Chatbot Built for Cybercrime

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From guidance to action: Security fundamentals that materially reduce risk

Microsoft5d5 days ago3 min read

MicrosoftRon Pessner

Covers 1 story

Investigating three real-world incidents in our cybersecurity evaluations

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Improving email security outcomes with real-world Microsoft Defender insights

Microsoft5d5 days ago3 min read

MicrosoftRob Lefferts

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Protecting organizations from AI-assisted executive impersonation and invoice fraud

Microsoft1w1 week agoCovered by139 min read

MicrosoftMicrosoft Security Research

Covered by13 sites

DEV Community, malware.news, and more ›

Covers 6 stories

Masquerading, Technique T1036 - Enterprise | MITRE ATT&CK®, Phishing, Technique T1566 - Enterprise | MITRE ATT&CK®, and more ›

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Detect and disrupt AI-themed attacks with Microsoft Defender

Microsoft1w1 week agoCovered by35 min read

MicrosoftRob Lefferts

Covered by3 sites

malware.news, 4sysops, and more ›

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Threat Matrix: Mapping threats across cloud web applications

Microsoft1w1 week agoCovered by210 min read

MicrosoftMicrosoft Security ResearchLior Leizerovich

Covered by2 sites

4sysops, and more ›

Covers 1 story

Tactics - Threat Matrix for Cloud Web Applications

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Passkey-themed social engineering leads to identity and cloud compromise

Microsoft1w1 week agoCovered by2220 min read

MicrosoftMicrosoft Security ResearchKrithika RamakrishnanBharat Vaghela

Covered by22 sites

DEV Community, malware.news, and more ›

Covers 3 stories

Adversaries may leverage information repositories to mine valuable information., Acquire Infrastructure: Domains, Sub-technique T1583.001 - Enterprise | MITRE ATT&CK®, and more ›

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How to secure edge AI in customer-owned environments

Microsoft2w2 weeks ago6 min read

MicrosoftShayak Lahiri

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ASCII smuggling crosses over from AI prompt injection to phishing evasion

Microsoft2w2 weeks agoHN Covered by2715 min read

MicrosoftMicrosoft Security ResearchNoam KochaviSarah Wolstencroft

Covered by27 sites

Ars Technica, DEV Community, and more ›

Covers 2 stories

Obfuscated Files or Information, Technique T1027 - Enterprise | MITRE ATT&CK®, Phishing, Technique T1566 - Enterprise | MITRE ATT&CK®

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Impersonating IT support: how threat actors turn a remote session into enterprise-wide access

Microsoft2w2 weeks agoCovered by715 min read

MicrosoftMicrosoft Security ResearchSagar PatilArlette Umuhire Sangwa

Covered by7 sites

malware.news, 4sysops, and more ›

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Counterfeit installers to system compromise: Tracking a deceptive software download campaign

Microsoft3w3 weeks agoCovered by1015 min read

MicrosoftMicrosoft Security ResearchMicrosoft Defender ExpertsParth Jomadkar

Covered by10 sites

TechRadar, The Hacker News, and more ›

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Cybersecurity IR Workshop: The workshop you shouldn’t miss

Microsoft3w3 weeks ago3 min read

MicrosoftMicrosoft Defender Experts Cybersecurity Incident Response

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TerminalFix campaign deploys a reverse tunnel through multistage intrusion

Microsoft3w3 weeks agoCovered by3215 min read

MicrosoftMicrosoft Security ResearchSagar PatilSuriyaraj Natarajan

Covered by32 sites

DEV Community, BleepingComputer, and more ›

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What’s new in Microsoft Security: August 2026

Microsoft3w3 weeks agoCovered by32 min read

MicrosoftAlym Rayani

Covered by3 sites

HackerNoon, malware.news, and more ›

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When AI infrastructure becomes the target: Securing gateways and control points

Microsoft3w3 weeks agoCovered by620 min read

MicrosoftMicrosoft Security ResearchYash GundSumith Maniath

Covered by6 sites

DEV Community, The Hacker News, and more ›

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The patch window is collapsing: Why security needs a new control plane

Microsoft Azure Blog4w4 weeks agoCovered by96 min read

Microsoft Azure BlogIgor Sakhnov

Covered by9 sites

4sysops, bankinfosecurity.com, and more ›

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Microsoft named a Leader in the Frost Radar™: Cloud Workload Protection Platforms, 2026

Microsoft4w4 weeks ago7 min read

MicrosoftRan Rosin

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Hunting MacSync Stealer infrastructure through behavioral pivots

Microsoft5w5 weeks agoCovered by915 min read

MicrosoftMicrosoft Defender ExpertsMicrosoft Security Research

Covered by9 sites

The Hacker News, GBHackers Security, and more ›

Covers 1 story

MacSync Stealer: C2 Infrastructure Rotation - RST Cloud

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Microsoft named a Leader in the 2026 IDC MarketScape for MDR/MXDR for the Enterprise

Microsoft6w6 weeks ago3 min read

Microsoft

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DeadLock ransomware: Breaking down a Rust-based encryptor with decentralized recovery infrastructure

Microsoft6w6 weeks agor/netsec Covered by720 min read

Microsoft

Covered by7 sites

BleepingComputer, The Hacker News, and more ›

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