U.S. privacy law continued to expand in 2024, both geographically and substantively.  We now have 19 states with comprehensive consumer privacy laws (some of which are already in effect, while others become effective in 2025 and 2026). This recap focuses on the 10 state laws that were enacted or took effect this year, as well as the states that enacted meaningful updates.

Continued cyberthreats drove expanded data security and breach notification requirements in 2024. Although sectors deemed high-risk saw significant activity, we also saw proposed regulations that stand to have a significant impact on a wide swath of private companies in the year to come.

This Update outlines highlights of data security law in 2024.

Last month, Senators Richard Blumenthal (D-Conn.) and Marsha Blackburn (R-Tenn.) reintroduced the Kids Online Safety Act (KOSA), initially introduced last term, noting that the bill now has 62 cosponsors, bipartisan support, and is poised to pass in the Senate.