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Investigation OpenMT AG filing · December 18, 2025

Berendsen, Inc. Files Montana Data Breach Report for May 2025 Incident

Berendsen, Inc. has reported a data breach to Montana authorities, stemming from an incident on May 14, 2025, with a formal filing made on December 18, 2025. The company is currently investigating the scope of the event and what personal information may have been affected, advising individuals to remain alert.

State
MT
Breach date
May 14, 2025
Reported
December 18, 2025

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.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Source: MT Attorney General filing

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