Basic-Fit Hit by Data Breach Affecting Millions of European Gym Members
Basic-Fit, one of Europe’s largest gym chains with over 2,150 locations across 12 countries and 5.8 million members, has suffered a cyberattack resulting in the theft of sensitive customer data. The breach, detected by the company’s monitoring systems and contained within minutes, exposed personal information including names, addresses, email addresses, phone numbers, dates of birth, and bank details. Membership data such as subscription numbers, payment status, and recent gym visits was also compromised, though passwords and identity documents remained unaffected.
While Basic-Fit has not disclosed the total number of impacted members, it confirmed that affected individuals were notified. The company stated there is no current evidence of data misuse, but security experts warn that the leaked information particularly IBAN numbers could fuel targeted phishing attacks. Cybercriminals may use stolen details to craft convincing fraudulent emails, tricking victims into revealing additional financial or login credentials.
The incident underscores the broader risks of data breaches, as compromised personal information enables attackers to launch highly personalized spear-phishing campaigns. Basic-Fit’s response remains under scrutiny as members assess potential exposure.
Basic-Fit cybersecurity rating report: https://www.rankiteo.com/company/basic-fit
"id": "BAS1776076895",
"linkid": "basic-fit",
"type": "Breach",
"date": "4/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'customers_affected': 'Millions (exact number '
'undisclosed)',
'industry': 'Fitness/Wellness',
'location': 'Europe (12 countries)',
'name': 'Basic-Fit',
'size': '2,150+ locations, 5.8 million members',
'type': 'Gym Chain'}],
'customer_advisories': 'Affected members were notified of the breach and '
'potential risks.',
'data_breach': {'data_encryption': 'No (data was exposed unencrypted)',
'data_exfiltration': 'Yes',
'personally_identifiable_information': 'Names, addresses, '
'email addresses, '
'phone numbers, dates '
'of birth, IBAN '
'numbers',
'sensitivity_of_data': 'High (bank details, personal '
'identifiers)',
'type_of_data_compromised': 'Personal information, membership '
'data'},
'description': 'Basic-Fit, one of Europe’s largest gym chains with over 2,150 '
'locations across 12 countries and 5.8 million members, has '
'suffered a cyberattack resulting in the theft of sensitive '
'customer data. The breach exposed personal information '
'including names, addresses, email addresses, phone numbers, '
'dates of birth, and bank details. Membership data such as '
'subscription numbers, payment status, and recent gym visits '
'was also compromised, though passwords and identity documents '
'remained unaffected.',
'impact': {'data_compromised': 'Personal information (names, addresses, email '
'addresses, phone numbers, dates of birth, '
'bank details), membership data (subscription '
'numbers, payment status, recent gym visits)',
'identity_theft_risk': 'High',
'payment_information_risk': 'High (IBAN numbers exposed)'},
'lessons_learned': 'The incident underscores the risks of data breaches, '
'particularly the potential for targeted phishing attacks '
'using stolen personal and financial information.',
'recommendations': 'Enhanced monitoring for phishing attempts, customer '
'education on recognizing fraudulent communications, and '
'strengthened data protection measures for sensitive '
'financial information.',
'references': [{'source': 'Cyber Incident Report'}],
'response': {'communication_strategy': 'Affected individuals notified',
'containment_measures': 'Breach contained within minutes',
'incident_response_plan_activated': 'Yes'},
'title': 'Basic-Fit Data Breach Affecting Millions of European Gym Members',
'type': 'Data Breach'}