Where does the Berendsen, Inc. case file come from?

Every entry is taken from the breach report Berendsen, Inc. lodged with the Montana 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: Berendsen, Inc. Data Breach

This file collects the dated facts on record for the Berendsen, Inc. incident. The state report is dated December 18, 2025. The incident itself is dated May 14, 2025.

Timeline

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

May 14, 2025Incident dateWhen the filing says the breach took place.
December 18, 2025Report filed in MontanaDate the notice was lodged with the Montana Attorney General.

Case facts

Filing state: Montana
Date reported: December 18, 2025
Incident date: May 14, 2025
Receiving office: Montana Attorney General

Case notes

Berendsen, Inc. has filed a data breach notification with the State of Montana, acknowledging an incident that occurred on May 14, 2025. This official filing was reported on December 18, 2025, and indicates an ongoing investigation into the specifics of the event.

At this time, the filing does not specify the exact types of personal information that may have been involved in the breach. The company has stated that the investigation is active and further details are expected to emerge as their assessment progresses.

Because the investigation is still underway, Berendsen, Inc. has not yet released information regarding the total number of individuals potentially affected or the precise nature of the compromise. Such details are typically provided once a comprehensive understanding of the incident is achieved.

Individuals who believe they may be affected by this breach should monitor their personal accounts closely for any unusual activity. It is always prudent to review statements, credit reports, and be cautious of unsolicited communications that request personal information.

General protective measures include changing passwords on sensitive accounts, enabling multi-factor authentication where available, and being wary of phishing attempts. Staying informed about the ongoing investigation through official company channels is also recommended.

Questions about this case file

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

Montana data breaches

Filing source: Montana Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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