Landmark Admin, LLC (supplemental letter only) data breach
USUnited States
Landmark Admin, LLC (supplemental letter only) (United States) notified the Iowa Attorney General, the California Attorney General and the Washington Attorney General of a data breach on 10 April 2025. It told the states about 11,691 Washington residents; the total can be higher.
Breach reported 10 April 2025
Status
Confirmed breach
People affected
11,691 Washington residents (one state’s count; the total can be higher)
Reported
10 April 2025
What was exposed
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
What changed since it was first reported
Confirmed breach, 11,691 Washington residents (Washington Attorney General)
If Landmark Admin, LLC (supplemental letter only) had your data
Look for Landmark Admin, LLC (supplemental letter only)’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 Landmark Admin, LLC (supplemental letter only) has a password of yours, change it now to be safe.
Expect scams that use your details: calls, texts or emails pretending to be Landmark Admin, LLC (supplemental letter only), your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.