business email compromise
Security > Security 101 > What is business email compromise (BEC)? ([Internet, 2025-10-24](https://www.microsoft.com/en-us/security/business/security-101/what-is-business-email-compromise-bec))
USG: according to the definitions used by fedpol (which the NCSC also follows), BEC fraud and CEO fraud are distinct phenomena: in the fedpol classification, BEC involves an actual email compromise (i.e. the scammers have or have had access to the genuine email account), whereas CEO fraud normally does not.
FCh, English Language Service, 2025