Coinbase User Contact Details Exposed in Vendor Security Incident

Coinbase reported a vendor security incident on October 28, 2026, involving an analytics vendor. The incident exposed contact information for more than 70,000 users. Coinbase confirmed that its own systems were not breached and that customer funds were not compromised.

The exposure of user contact details creates a risk that scammers could impersonate Coinbase support to trick users into transferring cryptocurrency. Coinbase is notifying affected users and regulators as part of its response to the data leak.