Microsoft 365 Direct Send: The Unfunny Phishing Loophole You Need to Close Now!
Phishing attacks have found a new accomplice in Microsoft 365 Direct Send. Exploiting its lack of authentication, hackers send spoofed emails that bypass security checks. With no need to break in, it’s like trick-or-treating without the costume. Organizations are urged to lock the doors by enabling the Reject Direct Send option.
Hot Take:
Who knew Microsoft 365 Direct Send could be a cybercriminal’s dream tool? It’s like leaving your front door wide open with a sign that says, “Phishing: All You Can Eat Buffet!”
Key Points:
- Direct Send, a Microsoft 365 feature, is being exploited for phishing without needing to hack into accounts.
- Attackers use predictable patterns of smart host addresses to send spoofed emails.
- Emails can slip past security checks by appearing to originate internally.
- Cybercriminals have been using PowerShell to weaponize these emails.
- Organizations are advised to beef up security and educate employees about phishing.
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