Coinbase Denies Breach After Amplitude Security Incident Exposes Customer Data

Coinbase has denied reports of a data breach after a security incident at the third-party analytics vendor Amplitude exposed some customer contact data. The Nasdaq-listed crypto exchange said a small subset of Coinbase customer information was affected, along with data from other Amplitude customers. Customer Data Exposure In its official tweet, Coinbase confirmed that there is no evidence of unauthorized access to its systems and that customer funds remain safe.

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CoinGape: A Coinbase data breach claim surfaced on October 28, 2026, after SlowMist CISO 23pds (@im23pds) posted that hackers had accessed contact information for more than 70,000 users. Coinbase pushed back quickly. The exchange confirmed that it had “not had a data breach”, pointing instead to a security incident at its analytics vendor, Amplitude, which affected

Cointelegraph: Coinbase said that an incident at analytics vendor Amplitude exposed some customers’ contact data, but it found no evidence of unauthorized access to its own systems.

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