The Montana Consumer Data Privacy Act (MTCDPA) took effect on October 1, 2024, and its lower coverage thresholds mean it protects Montanans' data across a wider range of companies than most state laws reach. It lets Montanans access, correct, delete, and opt out of the sale and targeted-advertising uses of their data, and a 2025 amendment added strong new protections for the data of minors.
This survey analyzes and compares data breach notification laws across all 50 U.S. states and the District of Columbia. Using a standardized framework of 50 questions, we examined each jurisdiction's requirements for breach notification timing, covered data types, notification recipients, enforcement mechanisms, and consumer remedies.
The survey reflects statutes enacted as of January 1, 2026.
The survey reflects statutes enacted as of January 1, 2026.