Techniques for dynamically altering security criteria used in a file security system are disclosed. The security criteria pertains to keys (or ciphers) used by the file security system to encrypt electronic files to be secured or to decrypt electronic files already secured. The security criteria can,...http://www.google.com/patents/US7703140?utm_source=gb-gplus-sharePatent US7703140 - Method and system for securing digital assets using process-driven security policies
