STG Holdings, LLC ("STG")

STG Holdings, LLC ("STG") notified California AG on May 27, 2021 of a data breach, which occurred on May 19, 2020. Data exposed: Usernames / passwords, Email address, Name.

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

Organization: STG Holdings, LLC ("STG")
Source: California AG · source record
Date reported: May 27, 2021
Date(s) of breach: Sunday, May 3, 2020Tuesday, May 19, 2020
Residents affected: Not published by this source
Data exposed: Usernames / passwords Email address Name
Notice letter: Sample notice (PDF)
Discovered: May 13, 2020, as stated in the letter
"On May 13, 2020, STG became aware of unusual activity involving certain employee email accounts and began an investigation with the assistance of third-party computer forensics specialists."
Days to notice: 379 days from discovery (May 13, 2020) to the California record (May 27, 2021). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 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 16:06 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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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.