Today, the White House issued an updated US National Cybersecurity Strategy document, building on a series of earlier initiatives and policies. This is available at

https://www.whitehouse.gov/wp-content/uploads/2023/03/National-Cybersecurity-Strategy-2023.pdf

There's also a summary fact sheet at

There's a lot in this document, and of course many detailed questions about implementation, and about prioritization of engagement with different sectors of critical infrastructure remain to be answered. Well worth reading.

Clifford Lynch Director, CNI