Ally Bank

Ally Bank notified Massachusetts and New York residents of a data breach discovered on April 13, 2026. An unauthorized non-Ally employee was inappropriately provided access to customer deposit accounts. Exposed data included names, addresses, SSNs, DOBs, bank account numbers, and transaction details. Ally revoked the employee's access, offered new account numbers, implemented fraud monitoring, and engaged Sontiq (TransUnion) to provide three years of identity theft services.

Ally Bank notified Massachusetts residents that a former employee inappropriately accessed deposit accounts on December 12, 2025. The incident involved unauthorized access to financial account information. Ally implemented supplemental fraud monitoring, engaged law enforcement, and offered three years of identity theft protection services through Sontiq.

Ally Bank notified Nebraska residents of a data breach occurring on May 20, 2025, where an unauthorized party accessed a vendor's system containing customer names, SSNs, addresses, and auto account numbers. Ally engaged forensic investigators, secured the vendor's systems, and provided three years of ID theft services via Sontiq/TransUnion to affected individuals.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-05-02. 4 Massachusetts residents were affected.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-01-28. 1 Massachusetts residents were affected.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-11-12. 15 Massachusetts residents were affected.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-08-16. 199 Massachusetts residents were affected.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-05-31. 1 Massachusetts residents were affected.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-05-23. 1 Massachusetts residents were affected.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-08-22. 3 Massachusetts residents were affected. The report records the breach type as electronic.

Ally Bank reported a data breach resulting from insider wrongdoing that occurred on May 25, 2023. The incident was discovered on July 25, 2023, and affected 328 individuals, with one resident in Maine. The compromised information included names combined with financial account or card numbers along with their access credentials. Ally Bank began notifying affected individuals in writing on August 22, 2023, and offered 24 months of complimentary credit monitoring services through Equifax.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2019-02-19. 10 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank notified California residents that a third-party supplier inadvertently transmitted files containing personal information (including SSNs, credit scores, and employment data) to another financial institution in November 2018. The error was discovered in November 2018. The receiving institution deleted the files. Ally Bank offered two years of complimentary credit monitoring through Equifax.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2016-02-17. 26 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2015-08-03. 1 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2014-03-14. 1 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2014-03-14. 1 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2013-02-14. 1 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2012-04-30. 1 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2011-12-22. 2 Massachusetts residents were affected. The report records the breach type as paper.

Ally Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2009-08-31. 2 Massachusetts residents were affected. The report records the breach type as electronic.