Did Citibank have a data breach?

In plain terms

Citibank informed the Massachusetts Attorney General's office about a data security incident on April 15, 2026. This report indicates that personal information may have been compromised, with an investigation into the incident currently underway.

Citibank, a major financial institution, has filed a report with the Massachusetts Attorney General's office concerning a data security incident. The report, submitted on April 15, 2026, confirms that a breach involving personal information occurred. The filing indicates an investigation is currently active to determine the full scope of the incident.

The specific types of personal information affected by this incident were not detailed in the public filing. Therefore, individuals who receive notification from Citibank should carefully review the information provided to understand what data related to them may have been involved.

When personal information is exposed in a data security incident, it can create risks for affected individuals. It is important to remain vigilant for any unusual activity related to your accounts or identity.

Individuals who believe they may be affected should consider monitoring their financial accounts for suspicious transactions. It is also wise to be cautious of unsolicited communications, especially those requesting personal or financial details. Regularly reviewing credit reports for unauthorized activity is another general safeguard.

These details are based on the official data breach report filed with the Massachusetts Attorney General's office. Affected individuals should follow any specific guidance provided directly by Citibank.