Citizens Bank Data Breach: What Information Was Exposed?

Citizens Bank, one of the largest banks in the United States, has notified customers of a data breach that may have exposed sensitive personal information, including Social Security numbers and dates of birth. The bank says it identified the incident on September 10, 2026.

What Happened in the Citizens Bank Data Breach?

According to the bank’s notice, Citizens Bank identified the security incident on September 10, 2026. It found that an unauthorized third party had gained access to a system containing customers’ personal information. The bank has since told affected customers, and says it has fixed the issue.

Citizens Bank says it has no evidence that the information has been misused. How the unauthorized party got in, how long they had access, and how many people were affected have not been publicly confirmed.