DBN Statutes – California

Data Breach Notification Statutes – California

Last Updated: 02/28/2024

  • Applicable Statute: Cal. Civ. Code §§ 1798.81.5, 1798.82
  • Attorney General Notice Required: Yes – Notify Attorney General if more than 500 California residents notified.
    Any person or business that is required to issue a security breach notification to more than 500 California residents as a result of a single breach of the security system shall electronically submit a single sample copy of that security breach notification, excluding any personally identifiable information, to the Attorney General. (California Civil Code s. 1798.29(e) [agency] and California Civ. Code s. 1798.82(f) [person or business].)
  • Consumer Notice Requirements:
    • Timing: Most expedient time possible and without unreasonable delay in accordance with any measures necessary to determine the scope of the breach and to restore the reasonable integrity of the system.
    • Content: The security breach notification must be written in plain language, use at least 10-point font, and be titled “Notice of Data Breach.” Must present the information under the following headings: “What Happened,” “What Information Was Involved,” “What We Are Doing,” “What You Can Do,” and “For More Information.”
    • Notice must include, at a minimum:
      • Name and contact information of the subject entity;
      • The types of personal information affected;
      • If available at the time of notice: (i) the date of the breach, (ii) the estimated date of the breach, or (iii) the date range within which the breach occurred.
      • Date of the notice;
      • Whether notification was delayed as a result of a law enforcement investigation;
      • A general description of the breach incident, if available at the time of notice;
      • If Social Security numbers, or driver’s license, or California identification card numbers were exposed, The toll-free telephone numbers and addresses of the major consumer reporting agencies must be provided;
      • If identity theft prevention and mitigation services are offered, they must be provided at no cost for not less than 12 months, and notice must contain all information necessary to take advantage of the offer.
    • Format: Must be designed to call attention to the nature and significance of the information; the title and headings must be clearly and conspicuously displayed; and use at least 10-point font.
    • Method: Written notice, or electronic notice if consistent with the provisions regarding electronic records and signatures set forth in E-SIGN. If the breach affects only a user name or email address, in combination with a password or security question and answer that would permit access to an online account and no other personal information, the subject entity can provide notice in electronic or other form directing the resident to change his or password or security question or answer, or take other steps to protect the account and other applicable accounts. Such notice of compromised email credentials cannot be made to the affected email address.
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Data Breach Notification Statutes


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