Appalachian Community Federal Credit Union Data Breach Lawsuit Investigation
A recently disclosed cybersecurity incident at Appalachian Community Federal Credit Union threatens to expose sensitive member information. Individuals who received the December 30, 2025 breach notice can explore legal options, claim identity-protection services, and safeguard their personal data.
Call to action: If you were notified, document the letter, enroll in the free credit monitoring, and consult experienced counsel to evaluate potential claims for relief.
Key Facts of the ACFCU Breach
- Discovery of disruption: October 7, 2025
- Confirmation data was removed: October 10, 2025
- File review completed: December 1, 2025
- Consumer notice mailed: December 30, 2025
- Individuals affected: 4 (reported to the Massachusetts Attorney General)
- Information involved: name, Social Security number, financial account information
- Law-enforcement report: Federal authorities notified
- Credit-monitoring offered: Single-bureau monitoring, credit report, credit score, and fraud assistance through Cyberscout (TransUnion)
What Happened
Appalachian Community Federal Credit Union (the “Credit Union”) reported that on October 7, 2025 it experienced a disruption to its computer systems. The network was immediately taken offline and forensic specialists were engaged to investigate. By October 10, investigators confirmed that certain files had been exfiltrated. The Credit Union reviewed the stolen data to identify any sensitive personal information and the individuals affected, completing that review on December 1, 2025.
The institution states it has no evidence to date of fraud or identity-theft incidents connected to the breach and clarifies that its core operating system was not impacted.
Steps the Credit Union Has Taken
- Disconnected the network from the internet and reset user passwords
- Partnered with external forensic specialists to investigate and safely restore operations
- Reported the incident to federal law-enforcement authorities
- Reviewing and enhancing existing security controls, policies, and procedures
- Providing complimentary identity-protection services via Cyberscout, including single-bureau credit monitoring, credit reports/scores, and proactive fraud assistance
Free Credit Monitoring Enrollment
Eligible recipients can enroll within 90 days of the notice date by visiting the secure Cyberscout portal:
https://bfs.cyberscout.com/activate
Action Steps for Impacted Members
- Enroll in the Cyberscout services using the unique code provided in your letter.
- Monitor bank and credit-union statements for suspicious transactions.
- Request and review your credit reports for unfamiliar accounts.
- Report any suspected fraud to Appalachian Community Federal Credit Union and the appropriate financial institution immediately.
- Retain a copy of the breach notice and related documentation for potential legal claims.
Company Overview
Appalachian Community Federal Credit Union serves members across Tennessee, Virginia, and Kentucky with a range of consumer and business financial services.
- Website: myacfcu.org
- Headquarters: 201 E New St, Kingsport, TN, USA
- Founded: 1932
- Industry: Financial Services
- Employees: 52
- Social: Facebook | X | Instagram | YouTube
Download the Official Breach Notice
Download Official Breach Notice (PDF)
Frequently Asked Questions
I received a data breach letter from Appalachian Community Federal Credit Union — what should I do?
Enroll in the free Cyberscout credit-monitoring service within 90 days, monitor your financial accounts, and preserve the letter for your records.
How do I submit a claim related to the Appalachian Community Federal Credit Union data breach?
Consult a qualified data-breach attorney with your notice letter and any evidence of out-of-pocket losses. They can advise you on eligibility and next steps.
What information did the Appalachian Community Federal Credit Union breach expose?
The compromised files contained your name, Social Security number, and financial account information.
Did Appalachian Community Federal Credit Union offer credit monitoring, and for how long?
Yes. The Credit Union is providing complimentary single-bureau credit monitoring, credit reports/scores, and fraud assistance through Cyberscout. The duration was not specified in the notice.
How many people were affected by the Appalachian Community Federal Credit Union breach?
The Credit Union reported 4 impacted individuals to the Massachusetts Attorney General. Additional states were not listed as of December 31, 2025.
How can I get the official breach notice (PDF) for Appalachian Community Federal Credit Union?
You can download the notice directly from the Massachusetts Attorney General’s website using the button above.
