Kerberos addresses the confidentiality and integrity of information. It also addresses primarily authentication but does not directly address availability.
Reference(s) used for this question:
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 42. and https://www.ietf.org/rfc/rfc4120.txt and http://learn-networking.com/network-security/how-kerberos-authentic…