Calibre CPA Group

Calibre CPA Group notified California AG on Sep 9, 2019 of a data breach, which occurred on May 7, 2019. Data exposed: Social Security number, Financial / bank account, Medical / health information, Usernames / passwords, Email address, Postal address, Name.

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

Organization: Calibre CPA Group
Source: California AG · source record
Date reported: Sep 9, 2019
Date(s) of breach: Monday, March 11, 2019Tuesday, May 7, 2019
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Medical / health information Usernames / passwords Email address Postal address Name
Notice letter: Sample notice (PDF)
Discovered: Sep 6, 2019, as stated in the letter
"Calibre subsequently undertook a lengthy internal review of its systems to determine this information, and upon receiving National Change of Address results on September 6, 2019 for the potentially impacted individuals, confirmed the imp..."
Days to notice: 3 days from discovery (Sep 6, 2019) to the California record (Sep 9, 2019). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter: 24 months of 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 16:13 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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