Worst Data Breaches Ever - H&R Block

By Debra Donston  |  Posted 2007-08-15 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 ...)

January 2006

H&R Block

Some H&R Block customers' Social Security numbers were embedded in the tracking code of mailing labels used to send out (unsolicited) tax-prep software.

Worst Data Breaches Ever - H&R Block

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