Where does the Hamilton Construction Company case file come from?

Every entry is taken from the breach report Hamilton Construction Company lodged with the Oregon 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: Hamilton Construction Company Data Breach

This file collects the dated facts on record for the Hamilton Construction Company incident. The state report is dated December 15, 2025. The incident itself is dated June 19, 2025.

Timeline

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

June 19, 2025Incident dateWhen the filing says the breach took place.
December 15, 2025Report filed in OregonDate the notice was lodged with the Oregon Attorney General.

Case facts

Filing state: Oregon
Date reported: December 15, 2025
Incident date: June 19, 2025
Receiving office: Oregon Attorney General

Case notes

Hamilton Construction Company, based in Oregon, recently disclosed a data security incident. The company reported that the breach took place on June 19, 2025. Official notification of this incident was filed with regulators on December 15, 2025.

The specific nature of the breach and the types of personal information involved have not been detailed in the public records. Hamilton Construction Company has indicated that the matter remains under active investigation to ascertain the full extent of the compromise.

Due to the unspecified nature of the information involved, individuals who may have been affected should exercise caution. Any exposure of personal information could potentially lead to various forms of fraud or identity theft if misused.

It is recommended that individuals monitor their financial accounts and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit files as a general precaution. Always be wary of unsolicited communications, particularly those asking for sensitive personal details.

This documentation is based on information made public through regulatory filings by Hamilton Construction Company concerning the reported data security event.

Questions about this case file

Where does the Hamilton Construction Company case file come from?: Every entry is taken from the breach report Hamilton Construction Company lodged with the Oregon 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.

Oregon data breaches

Filing source: Oregon Attorney General

Named in the Hamilton Construction Company breach?

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Timeline

Case facts

Case notes

Questions about this case file

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