Appalachian Community Federal Credit Union: Data Breach at Appalachian Community FCU Exposes Sensitive Member Information

Appalachian Community Federal Credit Union Suffers Data Breach, Exposing Member Information

Appalachian Community Federal Credit Union (ACFCU), a Tennessee-based financial institution, recently disclosed a significant data security breach that occurred last year. The incident compromised sensitive personal information belonging to its members.

While specific details about the breach including the exact timeline, attack vector, and full scope of exposed data remain limited, the disclosure highlights growing cybersecurity risks facing financial organizations. The breach underscores the persistent threat of unauthorized access to customer data, which can lead to identity theft, financial fraud, and long-term reputational damage for affected institutions.

ACFCU has not publicly confirmed whether the breach was the result of a cyberattack, insider threat, or system vulnerability. Further investigations may reveal additional insights into the incident’s origins and impact.

Source: https://www.teiss.co.uk/news/news-scroller/data-breach-at-appalachian-community-fcu-exposes-sensitive-member-information-16974

Appalachian Community Federal Credit Union cybersecurity rating report: https://www.rankiteo.com/company/appalachian-community-federal-credit-union

"id": "APP1768914191",
"linkid": "appalachian-community-federal-credit-union",
"type": "Breach",
"date": "1/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"

{'affected_entities': [{'customers_affected': 'Members',
                        'industry': 'Banking/Credit Union',
                        'location': 'Tennessee, USA',
                        'name': 'Appalachian Community Federal Credit Union '
                                '(ACFCU)',
                        'type': 'Financial Institution'}],
 'data_breach': {'personally_identifiable_information': 'Yes',
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': 'Sensitive personal information'},
 'description': 'Appalachian Community Federal Credit Union (ACFCU), a '
                'Tennessee-based financial institution, recently disclosed a '
                'significant data security breach that occurred last year. The '
                'incident compromised sensitive personal information belonging '
                'to its members.',
 'impact': {'brand_reputation_impact': 'Long-term reputational damage',
            'data_compromised': 'Sensitive personal information',
            'identity_theft_risk': 'High'},
 'investigation_status': 'Ongoing',
 'title': 'Appalachian Community Federal Credit Union Data Breach',
 'type': 'Data Breach'}