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Landmark Admin, LLC: data breach filings, state by state

Landmark Admin, LLC has 4 data breach filings on record in 3 government portals. The latest was reported to California AG on Apr 11, 2025. Data exposed, as filed: Social Security number, Driver's license / state ID, Passport number, Financial / bank account, Medical / health information, Health insurance, Date of birth, Usernames / passwords, Email address, Tax ID / EIN / ITIN, Phone number, Postal address.

5,061residents counted in 1 state (DE). Latest filing per state, last twelve months
4filings in 3 government portals
Apr 11, 2025latest filing, California AG

By portal

PortalFilingsLatest reportPeople in the latest filing
California AG2Apr 11, 2025Not published
Oregon DOJ1Oct 23, 2024Not published
Delaware DOJ1Oct 23, 20245,061 Delaware residents

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
May 13, 2024 to Jun 17, 2024
Discovered
Jul 24, 2024, as stated in the California letter
Offered to those affected
12 months of credit or identity monitoring through Experian
Third party named
Yes, the letter attributes the incident to a vendor or service provider
Days to notice
Past the statutory period in all 3 states that set one, counted from discovery to each state's first record

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

The next state to file on Landmark Admin, LLC reaches subscribers within the hour. With the count, the data exposed and the letter. The Team plan follows the companies and vendors you name in every state. Start a 14-day free trial.
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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Landmark Admin, LLC California AG CA Apr 11, 2025 Not published Name
Landmark Admin, LLC Oregon DOJ OR Oct 23, 2024 Not published Not stated
Landmark Admin, LLC California AG CA Oct 23, 2024 Not published Social Security numberDriver's license / state IDPassport numberFinancial / bank account+9
Landmark Admin, LLC Delaware DOJ DE Oct 23, 2024 5,061 In the letter (PDF)

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.