The Houston Chronicle reports that a security breach at ADP may have exposed the names and Social Security numbers of almost 5,000 local government workers, including more than 1,000 employees of the Houston Police Department (h/t

In a statement on its Facebook page, the Houston Police Officers' Union wrote, "The HPOU was notified that ADP had a security breach in relation to the City's online W-2's. This breach is extremely low risk but does potentially affect approximately 1,300 classified HPD employees."

ADP told the Chronicle in a statement that the breach was the result of a software code error. "The issue has now been corrected, so any new tax forms being produced do not have this problem," the company said. "Although ADP believes that the risk of exposure is very low, the company has reached out to all impacted clients and offered to provide their affected employees with standard credit monitoring services."