[yeuxardents]

The US does do this, it is offered as part of security hygiene.

https://www.cisa.gov/cyber-hygiene-services

[Zamicol]

Looks like it's offered only to "critical infrastructure organizations".

[yeuxardents]

Correct

"Who can receive services? Federal, state, local, tribal and territorial governments, as well as public and private sector critical infrastructure organizations."

However, methinks US definition of critical infrastructure organizations, both public and private, will be quite broad.