The agencies issued a joint statement saying the “joint security boardings” came in response to “indications that the networks of both vessels were compromised.”

National security officials have been sounding the alarm over a China-linked hacking group that’s been targeting critical infrastructure.

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

Less than 20 victims were successfully compromised.

Congress and the White House must act now to safeguard critical chokepoints from cyber disruption, two lawmakers argue.