An unauthorized individual accessed the network of a BAR service provider between May 2012 and March 2013 . The bank routing information of Smog Check stations licensed with the BAR was exposed . Those who may have had their accounts accessed are encouraged to close their old accounts and open new accounts with new PINs or passwords . UPDATE ( 07/11/2013 ): Approximately 7,500 Smog Check stations had bank account and routing numbers associated with the businesses exposed . ;