Cornwell Quality Tools (United States) notified the Oregon Department of Justice, the Iowa Attorney General, the California Attorney General and the Washington Attorney General of a data breach on 4 September 2025. It told the states about 103,782 Oregon residents; the total can be higher. The breach began on 12 December 2024, 266 days before it was reported.
Breach reported 4 September 2025
Status
Confirmed breach
People affected
103,782 Oregon residents (one state’s count; the total can be higher)
Reported
4 September 2025
Across the state notices
at least 106,952 people (Oregon and Washington: each state counts only its own residents)
Breach began
12 December 2024
Time to tell
266 days (the median in California’s notices over the last year: 154 days)
What was exposed
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
Before the notice: the ransomware gang Hive named Cornwell Quality Tools on its leak site on 7 November 2022, 295 days before this was reported. Matched by the organisation’s name: the notice itself does not say who the attacker was.
Look for Cornwell Quality Tools’s own notice or letter: it should say what of yours was involved. Keep it.
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Cornwell Quality Tools has a password of yours, change it now to be safe.
Expect scams that use your details: calls, texts or emails pretending to be Cornwell Quality Tools, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.
Privacy Unpacked