After a data breach in which 'an unauthorized actor accessed and/or took certain files' from Rivers Casino Philadelphia, the business is reaching out to alert those who may have been involved in this incident.

The Fishtown entertainment venue is mailing letters to people who may have had their society security numbers and bank account information compromised.

Rivers Casino Philadelphia recently suffered a data breach that may have compromised some people’s personal information. Executives at the Fishtown casino discovered that “an unauthorized actor accessed and/or took certain files stored on our computer servers,” spokesperson Jack Horner said in a statement.

Rivers Casino in Philadelphia said an outside actor accessed certain files stored on the company's computer servers, officials said.

The Rivers Casino in Fishtown has become the recent victim of a data breach. Executives say they discovered an unauthorized person had accessed and stolen certain files stored on the casino's computer servers.

Rivers Casino Philadelphia and Rush Street Gaming LLC negligently failed to protect the personal and financial information of thousands of people that was exposed in a November data breach, according to a proposed federal class action filed Wednesday.

The hackers may have gained access to customers' social security numbers and/or bank information used for direct deposit, according to a lawsuit filed Tuesday on behalf of a resident living in Philadelphia.

Rivers Casino Philadelphia has started notifying customers of a recent data breach. Casino spokesperson Jack Horner confirmed that "an unauthorized actor accessed and/or took certain files stored on our computer servers."