Cybersecurity

Data Theft Is on the Rise

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By Herbert David

May 5, 2011 at 9:00 PM UTC

This article is for subscribers only.

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This article is part of the May 9, 2011 issue of businessweek.

The Apr. 17-19 attack against Sony's (SNE) PlayStation network affected more than 77 million accounts. It reverses a two-year decline in the number of records breached by hackers.