Cybersecurity

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Security bug allows anyone to spoof Microsoft employee emails (techcrunch.com)

submitted 3 months ago by BrikoX to c/[email protected]

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A researcher has found a way to impersonate Microsoft corporate email accounts, which could make phishing attacks harder to spot.

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[–] [email protected] 7 points 3 months ago* (last edited 3 months ago)

The bug, according to Kokorin, only works when sending the email to Outlook accounts.

Sounds like it's something client side or specific to Microsoft's o365/outlook.com servers. Could be the exploit bypasses header verdicts for SPF/dkim/dmarc