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Latest threat analysis, industry news, and security best practices from our expert team.

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microsoft-36544 articles
Jul 13, 2026

Misconfigured Infrastructure Exposes Evilginx Operations: Defending Against Microsoft 365 AiTM Phishing

Introduction In a stark reminder that operational security (OPSEC) failures affect even the adversary, French security firm Lexfo discovered...

managed-socmdrsecurity-monitoring
SOC & MDRRead Now
Jul 7, 2026

DEBULL Tooling: Microsoft 365 Device Code Flow Attack - Detection and Mitigation

Introduction Security teams are actively contending with a sophisticated social engineering campaign codenamed "DEBULL" that is hijacking Mi...

managed-socmdrsecurity-monitoring
SOC & MDRRead Now
Jul 5, 2026

ARToken PhaaS & EvilTokens M365 Toolkit: Detection and Defense Strategies

ARToken PhaaS & EvilTokens M365 Toolkit: Detection and Defense Strategies Introduction Security researchers have exposed a new Social Engine...

healthcare-cybersecurityhipaa-compliancehealthcare-ransomware
SOC & MDRRead Now
Jun 15, 2026

SearchLeak: Microsoft 365 Copilot Enterprise Data Exfiltration — Defense and Detection

Introduction A critical vulnerability chain, dubbed SearchLeak, has been identified in Microsoft 365 Copilot Enterprise, posing a severe ris...

managed-socmdrsecurity-monitoring
Vulnerability ManagementRead Now
Jun 6, 2026

UNC5221 APT: Detecting Brickstorm, Plenet, and AgentPSD in Microsoft 365

Introduction A Chinese espionage cluster tracked as UNC5221 is actively conducting targeted intrusions against Microsoft 365 environments. T...

incident-responseransomwarebreach-response
Incident ResponseRead Now
May 25, 2026

FBI Alert: Kali365 Phishing-as-a-Service Hijacks M365 OAuth Tokens — Detection and Defense

The FBI has issued a warning regarding 'Kali365,' a sophisticated social engineering-as-a-service (SEaaS) platform specifically designed to ...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
May 19, 2026

Storm-2949: Cloud-Wide Identity Breach Detection and Hardening Guide

Introduction Storm-2949 has redefined the scope of cloud intrusions, proving that a single compromised identity can serve as a master key fo...

incident-responseransomwarebreach-response
Incident ResponseRead Now
May 17, 2026

Tycoon2FA: Microsoft 365 Device Code Phishing and Trustifi Abuse — Detection and Hardening

Introduction The Phishing-as-a-Service (PhaaS) ecosystem has evolved again with the Tycoon2FA kit, which now integrates device-code social e...

healthcare-cybersecurityhipaa-compliancehealthcare-ransomware
Incident ResponseRead Now
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