Lamb Weston Holdings, Inc.

Lamb Weston Holdings, Inc. notified Washington AG on Sep 29, 2026 of a data breach affecting 5,348 Washington residents, which occurred on Jan 9, 2026. Data exposed: Social Security number, Financial / bank account, Date of birth, Name.

All 3 filings by Lamb Weston Holdings, Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Lamb Weston Holdings, Inc.
Source: Washington AG · source record
Date reported: Sep 29, 2026
Date(s) of breach: 01/09/2026
Residents affected: 5,348 (Washington residents)
Data exposed: Social Security number Financial / bank account Date of birth Name
Notice letter: Sample notice (PDF)
Discovered: January 2026, as stated in the letter
"Nature of the Data Event In January 2026, Lamb Weston became aware of unauthorized access to its environment."
Days to notice: 263 days from the end of the breach window (Jan 9, 2026, no discovery date in the letter) to the Washington record (Sep 29, 2026). Statute: 30 days from discovery of the breach (RCW 19.255.010).
Offered in the letter: 12 months of credit or identity monitoring through Experian
Third party: The letter attributes the incident to a vendor or service provider
First seen by BreachTally: 2026-11-11 18:31 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

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Information compromised, as listed

Name; Social Security Number; Financial & Banking Information; Full Date of Birth; Other

Other filings by Lamb Weston Holdings, Inc.

Organization	Source	State	Reported	Residents affected	Data exposed
Lamb Weston Holdings, Inc.	Oregon DOJ	OR	Sep 29, 2026	7,175	Not stated
Lamb Weston Holdings, Inc.	Massachusetts OCABR	MA	Sep 29, 2026	15	Social Security numberFinancial / bank account

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.