Microsoft 365 Phishing Frenzy: Cybercriminals Hook Victims with Legit Domains!
Security researchers have discovered cunning new phishing campaigns targeting Microsoft 365 users. Attackers are cleverly exploiting Microsoft domains and tenant misconfigurations for account takeover. By mimicking legitimate communications, they trick victims into interacting with fake support centers. It’s a phishing scheme that’s slicker than a greased pig at a county fair!

Hot Take:
Oh, Microsoft 365, you gift that keeps on giving… for cybercriminals! Who knew that the productivity suite we rely on to send those last-minute TPS reports could also be the darling of phishing attacks? If this keeps up, we might need a new kind of Microsoft Office assistant—not Clippy, but Phishy, the anti-phishing fish!
Key Points:
- Attackers are abusing Microsoft 365 to launch phishing attacks aimed at account takeovers.
- Microsoft domains and tenant misconfigurations are being used in Business Email Compromise (BEC) attacks.
- Phishing emails use legitimate Microsoft infrastructure, making them hard to detect.
- Voice communication is leveraged to bypass security controls.
- OAuth redirection and brand impersonation are new tactics in these campaigns.
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