Coinbase security incident history
Hacking, data breaches and other security incidents involving Coinbase, with related coverage.
Amplitude Breach Exposes Coinbase Customer Contacts and Transaction Data
↳ Knock-on damage from the Amplitude incident · View original incidentImpact: Contact details and limited transaction data of some customers exposed; number of victims not disclosed
Unauthorised access to the internal systems of analytics vendor Amplitude exposed the email addresses, phone numbers and limited transaction data of some Coinbase customers. Coinbase said it has no evidence of an intrusion into its own systems or of any loss of customer funds, and that passwords, private keys and balances were not affected. It did not disclose the number of people affected and denied reports that 70,000 people were affected.
Related reports: 7 · last report →Coinbase contractor accessed data of about 30 customers without authorisation
30Impact: Information of about 30 customers
Coinbase confirmed that a contract worker had accessed the information of about 30 customers without authorisation. Following the breach, which was linked to leaked screenshots of an internal support tool, the company dismissed the worker, notified affected customers and provided identity theft protection services.
Related reports: 2 · last report →Bribed Coinbase support staff leak data of about 70,000 customers
69.5kImpact: Personal information of 69,461 customers
Attackers bribed Coinbase support staff to steal customers' personal information, including copies of passports, and the number of victims was confirmed at 69,461. The attackers demanded $20 million, but Coinbase refused and instead offered a reward of the same amount for information on the attackers. Coinbase expected the cost of the incident to reach up to $400 million, and in December 2025 a former support agent linked to the case was arrested in India.
Related reports: 43 · last report →