Key Takeaways

• The SEC’s agreement with defendants to dismiss, with prejudice, its case against SolarWinds Corporation (SolarWinds) and its chief information security officer (CISO) signals a retreat from aggressive, novel enforcement theories in cybersecurity disclosure cases.
• Although technical cybersecurity violations without investor harm

The wave of online safety regulation is continuing to surge, with Brazil’s recent enactment of Law No. 15,211/2025—the Digital Statute for Children and Adolescents (Digital ECA)—as the latest addition. 

On September 23, 2025, the California Privacy Protection Agency confirmed that their cyber audit regulations will at long last go into effect on January 1, 2026. 

You can be forgiven for losing track since these were first proposed in September 2023, but now is the time to start considering how they will apply to your company and budgeting for that impact. 

State Updates, Security Mandates, and the Federal Regulatory Horizon

California’s legislature has once again taken center stage in the national privacy conversation, passing a flurry of privacy bills during a marathon session that stretched into the night of September 12. 

With 2025 more than half over and many state legislatures adjourned for the year, we look back at significant legislative developments concerning state comprehensive consumer privacy laws. 

In May 2025, Montana enacted Senate Bill 163 (SB 163), amending that state’s Genetic Information Privacy Act (MGIPA) to include protections for neurotechnology data—namely, data collected from the activity of the central or peripheral nervous system.

This year saw significant enforcement activity from the Federal Trade Commission on privacy, data security, and related technology topics, particularly with respect to location information, health, and other sensitive data; data brokers; children’s privacy and online safety; and consumer protection issues related to artificial intelligence. State-level privacy enforcers, such as those in T

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.

The U.S. Securities and Exchange Commission (SEC) adopted final rules relating to cybersecurity disclosure on July 26, 2023, which will take effect on December 18, 2023.