CipherTrust was an anti-spam email software company based in Alpharetta, a suburb of Atlanta, Georgia, with offices around the world.
[1] Since August 2006 it is part of the Secure Computing Corporation, which was acquired by McAfee in 2008.
CipherTrust's main product is the IronMail, a gateway appliance that prevents leaks from uploading HTTP or FTP transfers through e-mail applications.
The firm also tracks zombie computers, a primary source of spam.
In August 2006, the Secure Computing Corporation bought CipherTrust shares for US$273.6 million.