Statements from the FBI and former Oldsmar city manager indicate what happened at the plant may not have been the work of an outside hacker.

The Environmental Protection Agency's water cybersecurity standards follow the Biden administration's new national cyber strategy.

The water sector is seen as among the nation's most vulnerable critical infrastructure to cyberattack after attacks in Florida and California.

There are about 52,000 drinking water systems in the U.S. and that fragmentation makes the sector harder to defend, experts say.

The scope of what insurers are covering is also narrowing as costs go up, said an association representative.

It's going to track how its recommendations are implemented, and study some issues where it only scratched the surface.

Previously, the Biden administration pushed the initiative in the electricity sector and for pipelines.