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Investigation OpenTX AG filing · May 11, 2026

MemberSource Credit Union Reports Data Security Incident to Texas Regulators

MemberSource Credit Union has filed a report with Texas authorities concerning a data security incident. The filing indicates the incident occurred on June 3, 2025, and is currently under investigation, with specific details about affected data types and individuals not yet disclosed.

State
TX
Breach date
June 3, 2025
Reported
May 11, 2026

MemberSource Credit Union has informed Texas regulatory bodies about a data security incident that took place on June 3, 2025. The credit union submitted its official report regarding this event on May 11, 2026. This notification is part of standard procedures for disclosing data breaches to state authorities.

According to the public filing, details regarding the specific types of personal information involved in the incident and the number of individuals affected remain unspecified. The report indicates that an investigation into the matter is ongoing, suggesting further information may become available as the inquiry progresses.

Individuals who receive notification from MemberSource Credit Union about this incident should review the information provided in their letter carefully. Official filings like this serve as a public record for individuals to verify breach notifications they receive and understand the reported circumstances.

For those concerned about their personal information, it is generally recommended to remain vigilant for any unusual account activity or unexpected communications. Regularly checking credit reports and monitoring financial statements can help detect potential misuse of personal data. Be cautious of unsolicited emails or calls asking for personal details, as these could be phishing attempts. Protecting online accounts with strong, unique passwords and enabling multi-factor authentication whenever possible are also important steps.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the MemberSource Credit Union data breach

Where can I see the official MemberSource Credit Union breach notice?
MemberSource Credit Union's report is published by the TX Attorney General: https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0005026 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the MemberSource Credit Union data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the MemberSource Credit Union data breach letter legit or a scam?
A notice from MemberSource Credit Union in the mail matches the breach MemberSource Credit Union reported to the TX Attorney General on May 11, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact MemberSource Credit Union through a phone number or website you find yourself.
Did MemberSource Credit Union offer free credit monitoring?
Check your letter from MemberSource Credit Union. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Using the free service won't stop you from joining a lawsuit or settlement later.
Can I sue MemberSource Credit Union over the data breach?
It depends on what was exposed, the law in TX and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a MemberSource Credit Union data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against MemberSource Credit Union. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a MemberSource Credit Union data breach settlement or claim be worth?
There is no set amount, and no MemberSource Credit Union settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Do I need a MemberSource Credit Union data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: TX Attorney General filing

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