A big part of the raison d'etre of this blog is that it is preferable to learn from the mistakes of others, rather than one's own.
It appears that many companies are learning from CitiGroup's problems:
Networking Pipeline | Enterprises Scramble To Protect Off-Site Data:
"Companies are scrambling to encrypt data on tapes shipped to off-site centers for archiving and disaster recovery, and they're taking other steps to avoid the kinds of data-loss incidents that have been a major source of embarrassment in recent months. Last week it was Citigroup's turn, as the bank revealed that a box of tapes containing information on 3.9 million customers was lost in transit...."