itness website PayAsUGym has admitted that members' financial details were stolen when one of its servers was hacked on Thursday.
The discovery was made by security experts who found partial card numbers and home addresses on a public website.
The company acknowledged there had been "confusion" over earlier claims that it did not hold any card details.
Security expert Troy Hunt advised customers to cancel their credit card if they think details have been stolen.
PayAsUGym, which...