Where does the Columbia University case file come from?

Every entry is taken from the breach report Columbia University 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: Columbia University Data Breach

This file collects the dated facts on record for the Columbia University incident. The state report is dated August 7, 2025. The incident itself is dated May 16, 2025.

Timeline

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

May 16, 2025Incident dateWhen the filing says the breach took place.
August 7, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: August 7, 2025
Incident date: May 16, 2025
Receiving office: California Attorney General

Case notes

Columbia University, located in California, has reported a data incident to relevant authorities. The event was identified to have taken place on May 16, 2025. A public filing concerning this incident was made on August 7, 2025.

The specific type of breach and the precise categories of personal information involved in this incident have not been detailed in the public record. The number of individuals potentially affected by this event also remains unspecified.

Columbia University indicates that an investigation into the incident is currently underway. This inquiry aims to understand the full scope of the compromise and to determine the extent of any exposure of the information involved.

Individuals who receive official notifications from Columbia University regarding this incident should carefully review the contents. It is important to understand what information may have been compromised and any specific protective measures recommended by the institution.

As a general precaution, it is advisable to remain vigilant against unexpected communications, particularly those asking for personal details. Consider monitoring your accounts for any unusual activity and be wary of unsolicited requests for information. You may also consider placing a fraud alert on your credit files to help protect against potential misuse of your data.

Questions about this case file

Where does the Columbia University case file come from?: Every entry is taken from the breach report Columbia University 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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