Gedmatch, the DNA-matching website made famous when it was used to catch the Golden Gate Killer, has warned users that a pair of breaches might have exposed thousands of users' data to law enforcement agencies.

According to the company, a pair of breaches — on July 19 and 20 — reset user permissions to allow law enforcement agencies to scan all data. Normally, users must opt-in to law enforcement searches.

Gedmatch has not reported whether any law enforcement searches were actually conducted during the hours when sitewide access was available, though it told one news outlet that no law enforcement requests for access were received during that time. It has said that the vulnerabilities have been remediated.

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