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Timeline
What a Delaware notice means
Governed by 6 Del. C. §12B-102. Notice to the Attorney General is required when a breach affects more than 500 Delaware residents.
Note: the count is Delaware residents only, not a total.
Change Healthcare
United States of America
Change Healthcare is an organisation in Delaware. It appears on the Delaware Attorney General data security breach database with 3 confirmed incidents; the most recent notice was filed on July 31, 2025.
Data as of October 17, 2026.
US-DE
Timeline
- April 18, 2025Reported to regulator Regulator
DE AG breach notification: 539,916 Delaware residents affected
source - April 18, 2025Reported to regulator Regulator
DE AG breach notification: 539,916 Delaware residents affected
source - April 18, 2025Reported to regulator Regulator
DE AG breach notification: 539,916 Delaware residents affected
source - July 31, 2025Reported to regulator Regulator
DE AG breach notification: 534,372 Delaware residents affected
source
US-DE
Timeline
- UndatedReported to regulator Regulator
DE AG breach notification: an unknown number of Delaware residents affected
source - UndatedReported to regulator Regulator
DE AG breach notification: an unknown number of Delaware residents affected
source - UndatedReported to regulator Regulator
DE AG breach notification: an unknown number of Delaware residents affected
source
Litigation
- Possible litigation — multiple candidate dockets found, not yet resolved to a single case.