GM security breach affects 883

General Motors said 883 active and retired employees may have had personal information exposed in a security breach, and is working to rectify the situation.

The company said a former employee copied spreadsheets containing names and Social Security numbers.

It has notified potential affected employees and retirees, advising them to place fraud alerts on credit reports, as well as to notify the Michigan Attorney General's Office of any suspicious activity, The Detroit News reported Friday.