Case file · DatabreachRecords

Sierra Management Group data breach case filings

1 lawsuit recorded against Sierra Management Group in United States courts.

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Recorded filings

Data breach lawsuits in California, most recently June 2026.

  1. June 2026 · California

    Sierra Management Group Data Breach Notification Letter

    Data exposed: Social Security numbers, Dates of birth, Home addresses

    Settlement and complaint details · Live case list

Got a notification letter?

If you received a Sierra Management Group data breach notification letter, your personal information may have been exposed in a breach like the lawsuits recorded here. You can ask about the Sierra Management Group filings on the national overview contact form. Nothing on this site is legal advice.

Where this case fits