Where does the ONE Gas, Inc. case file come from?

Every entry is taken from the breach report ONE Gas, Inc. lodged with the Texas 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: ONE Gas, Inc. Data Breach

This file collects the dated facts on record for the ONE Gas, Inc. incident. The state report is dated March 30, 2026. The incident itself is dated August 1, 2025.

Timeline

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

August 1, 2025Incident dateWhen the filing says the breach took place.
March 30, 2026Report filed in TexasDate the notice was lodged with the Texas Attorney General.

Case facts

Filing state: Texas
Date reported: March 30, 2026
Incident date: August 1, 2025
Receiving office: Texas Attorney General

Case notes

ONE Gas, Inc. has publicly reported a data security incident stemming from its Texas operations. While the specific nature of the breach type remains undisclosed in official filings, the company has indicated that an investigation is underway to determine the full scope of the compromise. The filing was made on March 30, 2026.

Crucially, the public record does not specify the exact categories of personal information that may have been exposed as a result of this incident. Similarly, the number of individuals whose data might have been impacted has not been disclosed, meaning the full extent of the affected population is yet to be determined.

The timeline provided indicates that the data breach itself occurred on or around August 1, 2025. This means there was a period of several months between the reported breach date and the official filing date with regulatory bodies.

Individuals who receive notifications from ONE Gas regarding this event should review them carefully for any specific guidance provided. General protective measures include remaining alert for unexpected communications, monitoring account statements for unusual activity, and regularly reviewing credit reports.

As the investigation into this incident is ongoing, further details may emerge. This information is based on public filings made with regulators.

Questions about this case file

Where does the ONE Gas, Inc. case file come from?: Every entry is taken from the breach report ONE Gas, Inc. lodged with the Texas 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.

Texas data breaches

Filing source: Texas Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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