Coinbase says customers' personal information stolen in data breach

Coinbase has confirmed that its systems were breached and that customer data, including government-issued identity documents, was stolen. In a filing with U.S. regulators, the company said a hacker who claimed to have obtained customer account information demanded money in exchange for not publishing it, and Coinbase said it will not pay. CEO Brian Armstrong said in a social post that the hacker demanded $20 million. Coinbase said the hacker paid multiple contractors or employees in support roles outside the United States to collect data, and that the affected customers are fewer than 1% of its 9.7 million monthly customers. The company expects costs of around $180 million to $400 million for remediation and customer reimbursements.