Where does the 1Yellow Corporation case file come from?

Every entry is taken from the breach report 1Yellow Corporation lodged with the Indiana 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: 1Yellow Corporation Data Breach

This file collects the dated facts on record for the 1Yellow Corporation incident. The state report is dated June 26, 2026. The incident itself is dated March 27, 2025.

Timeline

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

March 27, 2025Incident dateWhen the filing says the breach took place.
June 26, 2026Report filed in IndianaDate the notice was lodged with the Indiana Attorney General.

Case facts

Filing state: Indiana
Date reported: June 26, 2026
Incident date: March 27, 2025
Receiving office: Indiana Attorney General

Case notes

1Yellow Corporation, operating out of Indiana, filed a report with regulatory authorities on June 26, 2026, disclosing a data breach incident. The company indicated the event affecting their systems occurred on or around March 27, 2025.

The specific types of personal information involved in this incident were not detailed in the public filing. However, individuals potentially affected by this breach should be aware that their personal data may have been exposed. Public filings of this nature consistently note the involvement of personal information.

As of the filing date, 1Yellow Corporation's investigation into the breach is ongoing and reported as being in a monitoring status. This signifies that the company is actively tracking and assessing the situation.

To help protect against potential misuse of exposed personal information, it is generally recommended that individuals remain vigilant. Review statements from financial institutions and other accounts for any unauthorized activity. Consider placing a fraud alert or security freeze on your credit reports with the three major credit bureaus.

Additionally, maintaining strong, unique passwords for all online accounts and enabling two-factor authentication wherever possible are advisable general precautions that can enhance personal data security.

Questions about this case file

Where does the 1Yellow Corporation case file come from?: Every entry is taken from the breach report 1Yellow Corporation lodged with the Indiana 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.

Indiana data breaches

Filing source: Indiana Attorney General

Named in the 1Yellow Corporation breach?

Attach your notice and a short note. An attorney checks it against this case file at no cost.

Timeline

Case facts

Case notes

Questions about this case file

More Indiana case files