Coinbase disclosed that a recent data breach impacted 69,461 individuals after overseas support staff accessed customer and corporate data improperly.
Rogue contractors stole data on under 1% of users from Coinbase and demanded $20 million; breach initially disclosed in an SEC filing.
Unauthorized data access was detected by support personnel, prompting termination, enhanced monitoring, and user alerts; breach involved a coordinated campaign.
Exposed data did not include passwords, private keys, or customer funds but included contact details, partial SSNs, bank info, ID images, account history, and limited internal documents.