Officials at the University of California, Berkeley reported a breach in its computer databases, which exposed personal and health information of 160,000 students, alumni and others, according to MSNBC.com.
University authorities said data, including Social Security numbers, birth dates, medical records and health insurance information dating back to 1999 were compromised.
The breach first occurred on Oct. 6, 2008, and lasted until April 9, according to the news outlet. Campus staff learned of the breach during a routine maintenance check where hackers left messages.
Those compromised received E-mail notifications May 8. Authorities said it took forensic technology experts until April 21 to figure out which systems were hacked.
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