Kerberos Authorization software that makes use of private-key authentication. Developed by the Mass- achusetts Institute of Technology (MIT), Kerberos is available for free, although commercial versions exist. Kerberos was named for the three-headed dog, also known as Cerberus, that guarded the gates of Hades 74570c11.qxd 9/11/07 12:24 PM Page 272 |