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Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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highperson_alertThreat ActorVishing Campaign Targets Microsoft 365 Users with Entra Passkey Scam
The threat actor behind this campaign remains unattributed. The operation demonstrates sophistication in social engineering tactics, specifically targeting Microsoft 365 environments through voice-based phishing (vishing).
highperson_alertThreat ActorUNC5221 Deploys Brickstorm, Plenet, AgentPSD in M365 Espionage Campaign
UNC5221 is a Chinese APT group attributed to conducting cyber espionage operations. The group demonstrates advanced capabilities in targeting cloud environments, specifically Microsoft 365 infrastructure.
criticalperson_alertThreat ActorMicrosoft Disrupts Fox Tempest Malware-Signing-as-a-Service Operation
Fox Tempest is a threat actor attributed by Microsoft as operating a malware-signing-as-a-service (MSaaS) business model. The actor exploited Microsoft's Artifact Signing system to provide malicious code signing services to other cybercriminals, enab…