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Data Privacy

Nov. 18, 2025

California data breach law tightens with 30-day deadline, raises stakes for companies

A recent amendment to California's data breach law imposes a firm 30-day notice deadline, limiting companies' discretion to postpone alerting residents to threats.

Leeza Arbatman

Associate
Coblentz Patch Duffy & Bass LLP

See more...

California data breach law tightens with 30-day deadline, raises stakes for companies
Shutterstock

On Oct. 3, 2025, Gov. Gavin Newsom signed Senate Bill 446, amending the state's current data breach notification statute. See generally Cal. Civ. Code Section 1798.82. Starting Jan. 1, 2026, any company doing business in California that experiences a data breach must notify California residents within 30 calendar days of discovering or being notified of the breach, and must provide the California attorney general a sample breach notification ...

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