Where does the Coinbase, Inc. case file come from?

Every entry is taken from the breach report Coinbase, Inc. lodged with the California Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Coinbase, Inc. Data Breach

This file collects the dated facts on record for the Coinbase, Inc. incident. The state report is dated May 20, 2025. The incident itself is dated December 26, 2024.

Timeline

145 days separate the incident date from the date it was reported.

December 26, 2024Incident dateWhen the filing says the breach took place.
May 20, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: May 20, 2025
Incident date: December 26, 2024
Receiving office: California Attorney General

Case notes

Coinbase, Inc., headquartered in California, has disclosed a data breach incident. The event, which has been under investigation, reportedly occurred on December 26, 2024. Details surrounding the nature of the breach type and the specific vulnerabilities exploited have not been made public at this time.

The company filed its official notification regarding this incident on May 20, 2025. While the specific categories of data involved were not detailed in the public filing, individuals who receive notification from Coinbase should understand that their personal information may have been compromised.

At present, the number of individuals affected by this data exposure remains unspecified in public records. Coinbase has indicated that an investigation is currently underway to ascertain the full extent of the incident and identify all relevant facts.

Those who may be impacted are encouraged to take proactive steps to protect their personal information. This includes carefully reviewing account statements and activity for any unusual or unauthorized transactions. Consider enabling multi-factor authentication on all online accounts for an added layer of security.

It is also prudent to be cautious of unsolicited communications, such as emails or text messages, that claim to be from Coinbase or other financial institutions. These could be phishing attempts designed to trick you into revealing sensitive data. Always verify the authenticity of such requests directly with the company using official contact information, not links provided in suspicious messages.

Questions about this case file

Where does the Coinbase, Inc. case file come from?: Every entry is taken from the breach report Coinbase, Inc. lodged with the California Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

California data breaches

Filing source: California Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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