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Case File: Change Healthcare (DE Update from 2024 Notice) Data Breach

This file collects the dated facts on record for the Change Healthcare (DE Update from 2024 Notice) incident. The state report is dated April 18, 2025. The incident itself is dated February 21, 2024.

Timeline

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

  1. February 21, 2024Incident dateWhen the filing says the breach took place.
  2. April 18, 2025Report filed in DelawareDate the notice was lodged with the Delaware Attorney General.

Case facts

Filing state
Delaware
Date reported
April 18, 2025
Incident date
February 21, 2024
Receiving office
Delaware Attorney General

Case notes

Change Healthcare has officially reported a data security incident to the Delaware Attorney General, confirming that systems containing personal information were accessed by unauthorized parties. The filing, dated April 18, 2025, details an event initially identified on February 21, 2024.

As a major provider of healthcare technology infrastructure, Change Healthcare handles a significant volume of data critical to the U.S. healthcare system. While the specific types of information involved in this incident remain unspecified in the public filing, individuals who received a notification letter should be aware that their personal information was among the affected data.

The company states that the incident is currently under investigation to determine its full scope and impact. The notification letters sent to affected individuals serve as direct confirmation that their personal information was contained within the systems compromised during this security event.

Individuals who have been notified about this incident are advised to remain vigilant against potential misuse of their personal information. It is recommended to review account statements, monitor credit reports for suspicious activity, and be cautious of unsolicited communications that may attempt to gather further details. Promptly report any unusual activity to financial institutions or relevant authorities.

Questions about this case file

Where does the Change Healthcare (DE Update from 2024 Notice) case file come from?
Every entry is taken from the breach report Change Healthcare (DE Update from 2024 Notice) lodged with the Delaware 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.

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