GOP Rep. Mike Turner of Ohio said critical infrastructure assets "need to be hardened" as investigators are probing whether Iranian hackers are behind malicious cyber activity that affected technology at water systems in U.S. states last week.

GOP Rep. Mike Turner of Ohio said critical infrastructure assets "need to be hardened" as investigators are probing whether Iranian hackers are behind malicious cyber activity…

Cyberattacks targeting water systems in multiple states over the past week have raised questions about infrastructure security and whether the incidents are connected to Iran.