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Basic-Fit Data Breach Exposes Details of a Million Gym Members

Ground.News • April 13, 2026

The European leader in the sports halls, Basic-Fit, announced on Monday 13 April that he had suffered a major computer intrusion. According to the group's first statements to the AFP, which were transcribed in the world, the personal data of 1 million members was compromised during this attack, including their bank details.The data leak affects all the strategic markets of the brand, namely France, Belgium, Germany, Spain, Luxembourg and t…

: Names, addresses, dates of birth, and bank details accessed, though not passwords

Some 200,000 people in the Netherlands have been affected by a hack at the fitness chain Basic-Fit, the organisation said...

The subtraction affects customers of the chain in Spain, France, Germany and the Netherlands and includes identification data, account numbers and memberships and visits to sports centres

Data from customers of the Basic-Fit sports halls have been hacked. Nearly one million people would be affected in Europe.

Hackers have gained access to customer data from both fitness chain Basic-Fit and travel platform Booking.com. At Basic-Fit, this involves a large-scale data breach affecting 1 million members. Booking.com warns that booking details of some users may have been viewed by unauthorized parties.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Basic-Fit Data Breach Exposes Sensitive Information of 1 Million Members Basic-Fit, Europe's largest gym chain, has confirmed a significant data breach affecting approximately 1 million members across multiple countries, with around 200,000 members in the Netherlands alone impacted. The breach involved unauthorized access to the system that records member visits, leading to the exposure of names, addresses, email addresses, phone numbers, dates of birth, and bank account details. No passwords or identity documents were accessed. The attack was detected on April 8, 2026, and was stopped shortly after its discovery. Basic-Fit has notified the Dutch Data Protection Authority and is working with cybersecurity experts to assess the situation. Affected members have been warned to monitor their accounts closely and be vigilant against phishing attempts. The company has not disclosed the identity of the attackers or the method of the breach. Currently, there is no evidence that the stolen data has been made public. 15 sources 66

Extracted Entities

Basic-Fit Data Breach Exposes Details of a Million Gym Members

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Extracted Entities

Attack Types (1)

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