The number of personal records compromised by data breaches in California surged to 18.5 million in 2013, up more than six times from the year before, according to a report published on Tuesday by the state’s Attorney General.

There were 167 breaches reported during the year, up 28 percent from 2012. The massive increase in the number of compromised records came as a result of two major breaches — the loss of credit card data at Target in December 2013 and the cyber attack on LivingSocial in April 2013.

Those two breaches concerned around 70 million and 50 million records respectively nationwide and they rank among the largest data breaches so far experienced. Collectively, they impacted 7.5 million Californians.

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