Banking Data Breaches — Page 3

CB Financial Services experienced a data breach in May 2026 involving the unauthorized use of an AI application.

Cass Information Systems, a US-based company, was reportedly targeted in a ransomware attack in May 2026, though official confirmation from the company is not available.

Plaid, Inc. experienced a data breach in December 2024 that was disclosed in May 2026, impacting 294 individuals.

No evidence of a data breach involving Wedbush Securities Inc. was found in 2026 or prior years based on available data, despite an entry on the California AG website listing the company.

AssetMark Trust Company, a financial services company, reported a data incident in 2026 that may have exposed personal information, including names and Social Security numbers, for an undisclosed number of individuals nationwide.

A data breach impacting Commonwealth Business Bank was reported to the California AG, though details remain unconfirmed and unlocated in public records as of May 2026.

A data breach involving Dollar Financial Group, Inc. dba Money Mart was reported to the California Attorney General, but details regarding the incident, such as specific dates or affected individuals and data types, are not available.

A data breach involving Gain Federal Credit Union was reported to the California Attorney General, but details regarding the incident, including the date, affected individuals, and data types, are currently unknown based on available public information as of May 2026.

A data breach involving First Federal Savings & Loan Association of Pascagoula Moss Point was reported to the California Attorney General, though specific details remain unclear given the lack of public information.

A data breach involving Edelman Financial Engines, LLC has been reported to the California Attorney General, though specific details remain unclear from the provided research.

A data breach reportedly impacting TSYS, a US-based payment solutions company, was reported in May 2026 by a ransomware tracker. Official confirmation and details from TSYS or its parent company FIS remain unconfirmed at this time.

A data breach affecting TowerPoint Wealth, LLC was reported in April 2026, with the ShinyHunters ransomware group claiming responsibility.

Marlborough Partners experienced a data breach in 2025 due to a ransomware attack by the coinbasecartel group, resulting in 1 TB of data exfiltration, as reported by ransomware trackers.

Frontwave Credit Union experienced a data incident in 2026, stemming from an unnamed service provider inadvertently sharing data with another credit union.