Fake Teams site delivers Oyster malware via SEO poisoning and deceptive ads Spoofed page mimics Microsoft’s design, tricking users into downloading malware Best defense: type known URLs directly, ...

Microsoft Teams is adding brand impersonation warnings for voice calls to help users avoid scams and social engineering ...

Microsoft will soon add new fraud protection features to Teams calls, warning users about external callers who attempt to impersonate trusted organizations in social engineering attacks.

Microsoft has disrupted a wave of Rhysida ransomware attacks in early October by revoking over 200 certificates used to sign malicious Teams installers. Vanilla Tempest, the threat group behind the ...

Microsoft Threat Intelligence has revoked over 200 certificates fraudulently signed by a threat actor and used in fake MS Teams set-up files to deliver a backdoor and malware. The campaign, dubbed ...

A new wave of phishing attacks abusing Microsoft Teams to deliver malware has been uncovered by security researchers. The campaigns, observed by Permiso, use fake IT support accounts to trick ...