A Coinbase data breach filing with the Maine Attorney General finally gives us some more detail than Coinbase’s vague “less than 1% of monthly transacting users”. 69,461 people were affected, and Coinbase says the data breach occurred on December 26, 2024.
It took them almost five months between the incident and the incident disclosure, although the company has since admitted it knew customer support agents were suspiciously accessing customer data as far back as January.