The personal banking information of tens of thousands of Facebook employees in the US was at risk when an unknown person stole several corporate hard drives from a car of one of the company’s employees, Bloomberg reported.

The stolen hard drives contained personal information such as the names of employees, bank account numbers, and the last four digits of social security numbers, the publication reports citing information from the company.

The discs also contained information on monetary rewards, including salaries and bonuses.

The media contained information from 29,000 Facebook employees who worked for the company in 2018.

Tthe company’s press service reported that there was no information about the users of the Facebook social network on the disks.

Law enforcement agencies are currently investigating the theft of hard drives. The employee from whose car the theft was committed has been subject to disciplinary action.

According to the publication, the crime was committed on November 17.