Parker-Hannifin Corporation

Parker-Hannifin Corporation notified California AG on May 12, 2022 of a data breach, which occurred on Mar 14, 2022. Data exposed: Social Security number, Passport number, Financial / bank account, Health insurance, Date of birth, Usernames / passwords, Postal address, Name.

All 2 filings by Parker-Hannifin Corporation, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Parker-Hannifin Corporation
Source: California AG · source record
Date reported: May 12, 2022
Date(s) of breach: Friday, March 11, 2022Monday, March 14, 2022
Residents affected: Not published by this source
Data exposed: Social Security number Passport number Financial / bank account Health insurance Date of birth Usernames / passwords Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Mar 14, 2022, as stated in the letter
"On March 14, 2022, Parker detected unusual activity within its IT systems."
Days to notice: 59 days from discovery (Mar 14, 2022) to the California record (May 12, 2022). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 24 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: 2026-10-30 16:02 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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Other filings by Parker-Hannifin Corporation

Organization	Source	State	Reported	Residents affected	Data exposed
Parker-Hannifin Corporation	Oregon DOJ	OR	May 12, 2022	99,238	Not stated

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