Latest / California / March 2021

BioTel Heart (a trade name under which both CardioNet, LLC and LifeWatch, Inc. operate)

BioTel Heart (a trade name under which both CardioNet, LLC and LifeWatch, Inc. operate) notified California AG on Mar 26, 2021 of a data breach, which occurred on Aug 9, 2020. Data exposed: Social Security number, Medical / health information, Health insurance, Date of birth, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
BioTel Heart (a trade name under which both CardioNet, LLC and LifeWatch, Inc. operate)
Source
California AG · source record
Date reported
Mar 26, 2021
Date(s) of breach
Sunday, August 9, 2020
Residents affected
Not published by this source
Data exposed
Social Security number Medical / health information Health insurance Date of birth Name
Notice letter
Sample notice (PDF)
Discovered
Jan 28, 2021, as stated in the letter
"On January 28, 2021, we discovered that a vendor failed to secure certain information about you that was stored online."
Days to notice
57 days from discovery (Jan 28, 2021) to the California record (Mar 26, 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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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.