When trying to add a new or old Microsoft Account with a custom domain like live.com, hotmail.com, msn.com or your own custom domain or any other third-party domain you may get the message This email ...

Don't miss out on our latest stories. Add PCMag as a preferred source on Google. Microsoft has taken aim at spammers who are abusing its onmicrosoft.com domain—otherwise known as Microsoft Online ...

Microsoft has witnessed a surge in the use of this tactic since May 2025, as part of opportunistic campaigns targeting organizations across multiple industries and verticals.

Threat actors abuse complex routing and misconfigured protections to spoof domains and send phishing emails that appear to be ...

A fake Microsoft email domain is making the rounds again, tricking users into clicking password reset links that look legitimate. The phishing campaign uses the domain "rnicrosoft.com," swapping the ...

Threat actors are exploiting complex routing scenarios and misconfigured spoof protections to send spoofed phishing emails, ...

Beware this highly sophisticated Microsoft 365 attack. Update, March 15, 2025: This story, originally published March 13, has been updated with further technical detail regarding the Microsoft 365 ...