A colleague asks you if the added cost of using encrypting tape drives and sending...

The correct firewall rule set would make encrypted tape drives obsolete, but there has not always been strong confidence in the firewall administrators.

Encrypted database tables only protect data against inappropriate access by super users such as database or server administrators abusing root privileges.

Encrypt tape drives as part of a defense in depth strategy to ensure that one security mechanism being compromised does not expose all information to a malicious user.

The existing firewalls and database table encryption do not replace encrypted tape drives, but implementing an intrusion protection system (IPS) will make tape encryption obsolete.