FOR THE past week, the hackers who attacked Christie鈥檚 have been threatening to release a large trove of client data if the auctioneer didn鈥檛 pay a ransom by 11 a.m. New York time on Monday. That deadline came and went, and the gang has yet to drop files on the dark web.

The hacking group known as RansomHub claimed responsibility on May 27 for the cyberattack that struck the auction house earlier that month. They posted a countdown clock on their extortion site along with a message suggesting they鈥檇 release client data, including names and passport details, on Monday morning.

Three days later, RansomHub took up a new strategy: offering the data for auction on an update on its dark web site. It鈥檚 not clear what become of that effort, if anything.

The criminal group had said that Christie鈥檚 had ceased communications after they had attempted to reach a 鈥渞easonable resolution.鈥 A Christie鈥檚 spokesperson didn鈥檛 immediately respond to a request for comment.

The auction house sent a notice to clients affected by the breach, emphasizing that while passport information was indeed compromised, contact details, financial data, and most importantly, transaction-related information hadn鈥檛 been exposed.

鈥淧lease rest assured we are treating this incident with the utmost seriousness,鈥 the auction house wrote in a note to clients that was reviewed by Bloomberg. 鈥淲e have proactively informed the relevant authorities, which include the UK police (via ActionFraud) and the FBI, as well as relevant data protection regulators globally, where required.鈥

While Christie鈥檚 was forced to deal with the immediate aftermath of the cyberattack, the damage to the company appeared to be limited. The incident occurred on the eve of watch auctions in Geneva and days before Christie鈥檚 began important auctions in New York.

Christie鈥檚 managed to sell $115 million in art in a single evening in May, despite the breach. In total, its May marquee week sales yielded $640 million. 鈥 Bloomberg