Microsoft 365’s Direct Send: Phishers’ New Playground or Just a Bad Joke?
Hackers are turning Microsoft 365’s Direct Send feature into a phishing playground, sending fake internal emails that employees easily fall for. It’s like finding out your office printer has become a part-time con artist. Time to tighten those security settings before your inbox becomes a phishing festival!

Hot Take:
Microsoft 365’s Direct Send feature is like that one friend who always leaves the backdoor open and lets strangers into the party! Proofpoint’s latest revelation shows hackers are crashing the corporate email bash with ease, and it’s time for companies to step up their bouncer game.
Key Points:
- Attackers are exploiting Microsoft 365’s Direct Send feature to send phishing emails that appear internal.
- SMTP relays are being used to bypass security checks with unsecured communication ports.
- The emails carry a business theme to lure users into clicking malicious links.
- Some phishing emails are flagged but still end up in users’ junk folders.
- Companies are advised to audit email systems and potentially disable Direct Send if unnecessary.
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