StockX was Hacked, Exposing Millions of Customers’ Data — and They Tried to Cover it Up

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According to Tech Crunch, those password reset emails you got from StockXwasn’t “system updates” as the popular after-market sneaker selling site claimed — they were actually mopping up a severe data breach.

The fashion and sneaker trading platform pushed out a password reset email to its users on Thursday citing “system updates,” but left users confused and scrambling for answers. StockX told users that the email was legitimate and not a phishing email as some had suspected, but did not say what caused the alleged system update or why there was no prior warning.

A spokesperson eventually told Tech Crunch that the company was “alerted to suspicious activity” on its site but declined to comment further.

But that wasn’t the whole truth.

An unnamed data breached seller contacted Tech Crunch claiming more than 6.8 million records were stolen from the site in May by a hacker. The seller declined to say how they obtained the data.

In a dark web listing, the seller put the data for sale for $300. One person at the time of writing already bought the data.

The seller provided Tech Crunch a sample of 1,000 records, who later contacted customers and provided them information only they would know from their stolen records, such as their real name and username combination and shoe size. Every person who responded confirmed their data as accurate.

The stolen data contained names, email addresses, scrambled password (believed to be hashed with the MD5 algorithm and salted), and other profile information — such as shoe size and trading currency. The data also included the user’s device type, such as Android or iPhone, and the software version. Several other internal flags were found in each record, such as whether or not the user was banned or if European users had accepted the company’s GDPR message.

Under those GDPR rules, a company can be fined up to four percent of its global annual revenue for violations.

When reached prior to publication, neither spokesperson Katy Cockrel nor StockX founder Josh Luber responded to a request for comment. A voicemail left on the spokesperson’s cell was not returned. A non-attributable statement published late on Saturday confirmed our reporting, but the company did not answer our specific questions, with why it failed to inform customers when it first learned of the data breach and why it misled customers prior to reporting.

But that wasnt the.

Jake Williams, founder of Rendition Infosec, said the company “robbed their users of the chance to evaluate their exposure” by not informing customers of the breach when it happened.

StockX was last month valued at over $1 billion after a $110 million fundraise.