Finance
Basic-Fit Says Data Breach Exposes Details of 200,000 Members in Netherlands
Published by Global Banking & Finance Review®
Posted on April 13, 2026
2 min readLast updated: April 13, 2026
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Dutch gym operator Basic-Fit reported a data breach on April 13, 2026, exposing names, contact info and bank details of around 200,000 members in the Netherlands. The breach underlines the sensitivity of personal financial data and underscores heightened risk amid other major Dutch data incidents.
Basic-Fit data breach exposes details of a million gym members
Major Data Breach Impacting Basic-Fit Members
Scope and Scale of the Breach
April 13 (Reuters) - Gym operator Basic-Fit has suffered a data breach involving around 1 million members with 200,000 in the Netherlands alone, a company spokesperson said on Monday.
Basic-Fit owns gyms serving over 4.5 million customers across six European countries including France, Germany, and Spain. It also runs a franchise model in six other countries, which uses a separate system and was not affected by the leak.
Details of Compromised Information
Types of Data Exposed
• Breach involves members' bank account details, names, birth dates and contact information
Detection and Response
• Basic-Fit says the unauthorised access was detected by its system monitoring tools and was stopped within minutes
Communication with Affected Members
• Members whose data is involved have been informed, Basic-Fit says
Potential Risks and Company Statement
Security Measures and Limitations
• The company noted it does not hold members' identification documents and no passwords were accessed, adding that the main risk for affected members would be potential phishing attempts
Reporting and Editorial Credits
(Reporting by Jakob Van Calster in Gdansk; Editing by Milla Nissi-Prussak and Joe Bavier)
Key Takeaways
- •Approximately 200,000 Basic-Fit members in the Netherlands had their bank account details, names and contact information compromised in the April 13, 2026 breach. (basic-fit.com)
- •This incident comes amid a surge of major data breaches in the Netherlands earlier in 2026, notably telecom firm Odido’s leak of 6.2 million customers’ data including IBAN numbers and identity documents. (scancomply.com)
- •With Basic-Fit’s extensive European footprint—over 1,600 clubs and 4.8 million memberships at end-2025—and sensitive data held as per its privacy policy, the breach could trigger broader legal and reputational risks under Dutch GDPR rules. (financialreports.eu)
References
Frequently Asked Questions about Basic-Fit says data breach exposes details of 200,000 members in Netherlands
1How many Basic-Fit members were affected by the data breach?
Approximately 200,000 members in the Netherlands were affected by the data breach.
2What type of information was exposed in the Basic-Fit data breach?
The breach exposed members' bank account details, names, and contact information.
3Where did the Basic-Fit data breach occur?
The data breach occurred in the Netherlands, affecting Dutch members of Basic-Fit.
4When was the Basic-Fit data breach reported?
The data breach was reported on April 13.
