3. Security Considerations

   While security is not explicitly discussed in this document, some of
   the glossary's entries are security related.  See the entries for
   Access Control List (ACL), authentication, Computer Emergency
   Response Team (CERT), cracker, Data Encryption Key (DEK), Data
   Encryption Standard (DES), encryption, Kerberos, Message Digest (MD-
   2, MD-4, MD-5), Pretty Good Privacy (PGP), Privacy Enhanced Mail
   (PEM), RSA, Trojan Horse, virus, and worm.