Wikipedia
CipherTrust
CipherTrust was an anti-spam email software company based in Alpharetta, GA (a suburb of Atlanta), although they had offices around the world. The company was co-founded by Jay Chaudhry and Lawrence Hughes (both formerly with SecureIT). Chaudhry was CEO and Chairman of the Board of SecureIT until it was acquired by VeriSign in August 1998.
Since August 2006 it is part of Secure Computing Corp for 273.6 M$ (2006 USD), which was subsequently acquired by McAfee in 2008.