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SLFCU branches and Contact Center are closed, and online, mobile, and automated phone banking are currently unavailable due to our transactional system upgrade. All systems will be available and we will resume regular hours on Tuesday, November 13. Learn more.

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Sonic Card Breach on 9/28/2017

Sonic Drive-In has acknowledged a breach of their payment systems affecting approximately 3,600 locations across 45 U.S. states. Sources have reported the potential sale of millions of stolen credit and debit card accounts showing up on cyber-based crime stores on the dark web.

SLFCU Card Services has not yet received Visa or Mastercard notifications linked to this breach, nor do we know data breach time frames. We will continue to monitor the situation closely and will provide more information as it becomes available.


  • If you used your SLFCU Debit Card at Sonic, monitor your account closely using CU@home® Online banking or On the Phone.
  • If you used your SLFCU Credit Card, monitor your credit card activity using the Credit Card eStatements, Payments & Disputes link in CU@home Online. Call us at 505.293.0500 or 800.947.5328 immediately if you notice any fraudulent activity and need to report your cards as Lost/Stolen.


SLFCU members now have the ability to lock, set controls, and receive alerts for their SLFCU debit and credit cards by using mobile apps. The apps are available for personal debit and credit cards as well as business debit and credit cards. Learn more.

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