One of the world's biggest criminal marketplaces used by online fraudsters to buy passwords has been closed down in a global law enforcement crackdown.
Genesis Market sold login details, IP addresses and other data that made up victims' "digital fingerprints".
Often costing less than $1, the personal information let fraudsters log into bank and shopping accounts.
Law enforcement agencies around the world were part of the co-ordinated raids, including the UK.
During a series of raids, the UK's National Crime Agency (NCA) arrested 24 people who are suspected users of the site. They include two men aged 34 and 36 in Grimsby, Lincolnshire, who are being held on suspicion of fraud and computer misuse.
Law enforcement agencies from 17 countries were involved in the raids, which began at dawn on Tuesday. The operation was led by the FBI in the US and the Dutch National Police, working alongside the NCA in the UK, the Australian Federal Police, and countries across Europe.
Globally, 200 searches were carried out and 120 people were arrested.
On Wednesday, anyone logging onto the Genesis website saw a message which read: "Operation Cookie Monster. This website has been seized."
Genesis Market had 80 million sets of credentials and digital fingerprints up for sale, with the NCA calling it "an enormous enabler of fraud".
"For too long criminals have stolen credentials from innocent members of the public," Robert Jones, director general of the National Economic Crime Centre at the NCA, said.
"We now want criminals to be afraid that we have their credentials, and they should be," he added.
Dutch police have launched a portal on their website, where the public can check whether their data has been compromised.
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