Coinbase reports India arrest in $355M insider extortion case impacting 69,461 users

On Dec. 27, CEO Brian Armstrong said Coinbase is working with Hyderabad Police in India after the arrest of a former customer support agent linked to an insider bribery and data theft scheme. Public filings show the breach was discovered in May 2025, ultimately affecting 69,461 people and leading Coinbase to recognize $355 million in related costs across Q2 and Q3 2025.