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Latest / California / May 2019

Sprint Corporation ("Boost Mobile")

Sprint Corporation ("Boost Mobile") notified California AG on May 9, 2019 of a data breach, which occurred on Mar 14, 2019. Data exposed: Social Security number, Date of birth, Usernames / passwords, Phone number, Name.

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

Organization
Sprint Corporation ("Boost Mobile")
Source
California AG · source record
Date reported
May 9, 2019
Date(s) of breach
Thursday, March 14, 2019
Residents affected
Not published by this source
Data exposed
Social Security number Date of birth Usernames / passwords Phone number Name
Notice letter
Sample notice (PDF)
Days to notice
56 days from the end of the breach window (Mar 14, 2019, no discovery date in the letter) to the California record (May 9, 2019). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
First seen by BreachTally
2026-10-30 16:13 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 16:13 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.