Malicious Connectors Potentially Impact Hundreds Of Millions Of Microsoft 365 Users
KnowBe4, Thursday, July 31st, 2025
Most Microsoft 365 users aren't aware of this recently growing serious email threat vector.
I have been teaching about the risks of Microsoft email rules, forms and connectors on email clients and servers for decades. Both can be created by an attacker learning your email address and logon credentials (e.g., password or MFA codes).