Where did the breach take place? Yuba County, Calif.

How many victims? 70,000 people, including 30,000 children, whose names were on a Child Support Services laptop.

What kind of personal information? Social Security numbers, birth dates and driver's license numbers.

What happened? A thief stole the laptop, used to back up the county's main computer system, during a move to a new Health and Human Services building in Linda, Calif.

What was the response? The county notified victims by letter and offered them tips on identity theft protection.

Details: The laptop is protected by double-password security, but police don't believe the thieves were targeting the personal data. They also stole a microwave and some computer monitors. Authorities said they have some leads in the investigation.

Quote: "We think it (the personal data) was fairly well locked-up." - County spokesman Russ Brown

Source: "Yuba County data stolen," July 28, The Appeal-Democrat.