Attackers exploit misconfigured email routing and weak spoof protections to send internal-looking phishing emails for ...

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.

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 ...

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 ...

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