A credit union files a lawsuit against Fiserv due to alleged security problems.

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Self-Help Credit Union has recently filed a lawsuit against Fiserv, accusing the payment processor of misrepresenting its security protocols to clients.

Lawsuit Filed on December 4, 2025

The complaint was filed in a federal court located in North Carolina and alleges that Fiserv claimed it was using two-factor authentication but did not actually implement these security measures.

Charles Nerko, an attorney representing Self-Help Credit Union, stated that there was a discrepancy between the services promised by Fiserv and those that were actually provided in their operations.

Fiserv’s Response

In response to the lawsuit, Fiserv disputes the claims. A spokesperson for the company stated in an email that it disagrees with these accusations and will defend itself in court.

The complaint further suggests that even if there was a contractual agreement between Self-Help Credit Union and Fiserv committing to high security standards, Fiserv primarily relied on email passcodes for accessing systems storing sensitive financial data.

Self-Help Credit Union is seeking reimbursement for fees it paid for enhanced security measures that were not delivered according to the agreement.

A Series of Lawsuits Against Fiserv

This lawsuit against Self-Help Credit Union comes at a time when multiple shareholder lawsuits have been filed against Fiserv in recent months. The cases involve allegations that Fiserv failed to accurately disclose its performance and operations, as well as claims of deception regarding the migration of merchants onto Clover, an SME-focused point-of-sale system.

In a response to similar accusations at the UBS Global Technology and AI conference in Arizona on December 1, 2025, Mike Lyons, CEO of Fiserv, refuted these claims during a question-and-answer session. He insisted that as far as non-Clover clients are concerned, the company is not compelling individuals to switch from non-Clover systems.

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