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Latest / California / March 2021

Insulet Corporation

Insulet Corporation notified California AG on Mar 19, 2021 of a data breach, which occurred on Jan 13, 2021. Data exposed: Medical / health information, Email address.

All 3 filings by Insulet Corporation, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Insulet Corporation
Source
California AG · source record
Date reported
Mar 19, 2021
Date(s) of breach
Wednesday, January 13, 2021
Residents affected
Not published by this source
Data exposed
Medical / health information Email address
Notice letter
Sample notice (PDF)
Discovered
Jan 19, 2021, as stated in the letter
"On or about January 19, 2021, we received notice from an on-line customer training vendor, Cornerstone On-Demand (“Cornerstone”), that a third party gained unauthorized access to certain of their systems on January 13, 2021."
Days to notice
59 days from discovery (Jan 19, 2021) to the California record (Mar 19, 2021). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Third party
The letter attributes the incident to a vendor or service provider
First seen by BreachTally
2026-10-30 16:06 UTC

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

First seen by BreachTally at 16:06 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Insulet Corporation

OrganizationSourceStateReportedResidents affectedData exposed
Insulet Corporation HHS OCR US May 16, 2025 841 Medical / health information
Insulet Corporation California AG CA Jan 10, 2023 Not published Social Security numberFinancial / bank accountMedical / health informationUsernames / passwords+2

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