Amplitude Internal System Breach Affects Customer Data
Amplitude detected and blocked unauthorised access to some of its internal systems on 28 September. Event data belonging to less than 0.3% of all customer accounts was affected, and the specific leaked items and number of people have not been disclosed. The company disclosed the incident in a customer security notice on 28 October.
Key facts
- Affected organisation
- Amplitude
- Incident type
- Data breach
- Occurred / detected
- 2026-09-28
- Scale of damage
- Event data of less than 0.3% of all customer accounts
- Cause / method
- Unauthorised access to some internal systems
- Location
- United States
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- Amplitude detected and blocked unauthorised access to some of its internal systems.
- Amplitude disclosed the incident and the scope of the impact on event data in a customer security notice.
Also affected by this incident
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.
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The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.