Arizona-based waste management company Republic Services recently began notifying an undisclosed number of employees that an unencrypted, password-protected laptop was stolen from a Republic Services employee's home during a burglary on August 10, 2013.

The company learned of the incident the following day, and filed a report with the Maricopa County Sheriff's Office.

According to the notification letter [PDF], the laptop contained current and former Republic Services employees' information, including their names and Social Security numbers.

All those affected are being offered a year of free credit monitoring services through Experian.

"We sincerely apologize for this situation and any incovenience it may cause you," the notification letter [PDF] states. "We treat all sensitive employee information in a confidential manner and are practive in the careful handling of such information. We continue to assess and modify our privacy and data security policies and procedures to prevent similar situations from occurring."