Where does the Cliff Viessman, Inc. case file come from?

Every entry is taken from the breach report Cliff Viessman, Inc. lodged with the New Hampshire 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: Cliff Viessman, Inc. Data Breach

This file collects the dated facts on record for the Cliff Viessman, Inc. incident. The state report is dated September 10, 2025.

Timeline

September 10, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: September 10, 2025
Receiving office: New Hampshire Attorney General

Case notes

Cliff Viessman, Inc. has disclosed a data security incident to the Attorney General's office in New Hampshire. The report was filed on September 10, 2025, concerning an event that impacted personal information held by the company. The specific date of the breach itself was not provided in the filing.

According to the public record, the precise nature of the breach, including the method of compromise and the categories of data exposed, remains unspecified. The filing uses general terms when referring to the information involved, without detailing specific data types that may have been compromised.

Furthermore, the number of individuals whose personal information may have been affected by this incident has not been disclosed in the public filing. The report indicates that an investigation into the matter is currently underway to ascertain further details and scope.

Individuals who receive a direct notification letter from Cliff Viessman, Inc. regarding this incident should carefully review its contents for specific instructions and details relevant to their situation. It is generally advisable to remain vigilant for any unusual activity across financial accounts and to consider utilizing any identity theft protection services offered.

Given the general nature of the information provided in the public filing, individuals are encouraged to take standard precautions such as monitoring credit reports, updating passwords for online accounts, and being cautious of unsolicited communications, which could be phishing attempts. These steps are prudent for protecting personal information against various risks.

Questions about this case file

Where does the Cliff Viessman, Inc. case file come from?: Every entry is taken from the breach report Cliff Viessman, Inc. lodged with the New Hampshire 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.

New Hampshire data breaches

Filing source: New Hampshire Attorney General

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Timeline

Case facts

Case notes

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