Coinbase disclosed a data breach affecting at least 69,461 customers' personal and financial information.The breach occurred from December 26, 2024, until earlier this month, with a hacker demanding $20 million as ransom, which Coinbase refused to pay.The stolen data includes customer names, email addresses, phone numbers, government-issued ID documents, account balances, and transaction histories.The hacker gained unauthorized access through bribing Coinbase customer support workers, leading to concerns about wealthy customers being targeted.