Worst Data Breaches Ever - Ameritrade

By Debra Donston  |  Posted 2007-08-15 Email Print this article Print

The last few years have seen a slew of data breaches-all bad, but some worse than others. In the spirit of learning what not to do by example, eWEEK presents some of the worst data breaches ever. (Unfortunately, likely to be continued ...)

February 2005


In transit, a computer backup tape containing the account information of more than 200,000 clients was lost or accidentally destroyed.

Worst Data Breaches Ever - Ameritrade

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