Coinbase said a security incident at Amplitude, a third-party analytics provider, affected contact data of a “small subset” of its customers, but it found no evidence of unauthorized access to its own systems and customer funds were not affected. It is notifying affected customers and regulators in line with its legal obligations, but has not disclosed how many customers were affected, what data was exposed, or when the incident occurred. The incident came 17 months after Coinbase disclosed a 2025 breach in which cybercriminals bribed overseas customer support agents to steal personal data of less than 1% of its monthly transacting users. In September, hardware wallet maker Trezor also reported that a breach at shipping provider ShipMonk exposed data of 67,000 U.S. customers.
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Related tickers and likely impact
BTC/USDT
• NeutralBitcoin
Relevance: low
| Market | Crypto |
|---|---|
| Exchange | Binance |
| Sector | Layer 1 |
| Market cap | $1.6T |
| Close on 10/27/2026 | 80,909.77 |
| Change that session | +0.95% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
Related news
- Coinbase denies systems breach, says vendor exposed customer data
Coinbase said an incident at analytics vendor Amplitude exposed the contact data of some customers, but it found no evidence of unauthorized access to its own systems. The incident affected a “small subset” of Coinbase customers and other Amplitude clients, and Coinbase said customer funds were not affected. The disclosure came alongside other reports that day, including South Korean brokerage Daishin Securities, which reported a leak of personal and credit information for 38,490 customers, and a breach investigation at Bithumb. Coinbase had also disclosed a separate data breach in May 2025 affecting less than 1% of its monthly transacting users, with reimbursement and remediation costs estimated at up to $400 million.
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