Kraken Says Criminal Group Claims Access to Some Customer Data

Kraken, one of the world’s oldest crypto exchanges, said it’s being extorted by a criminal group that claims to have access to some client account information.

Client funds were never at risk, Nick Percoco, chief security officer for Kraken, said in a post on the X social network on Monday. The exchange didn’t say how much was being sought by the group.

Some limited client information — including names and addresses — may have been stolen when client support staffers took photos and videos of the data during two incidents, in 2025 and earlier this year, according to a ...