BLACKSBURG, Va., Aug. 24 -- Virginia Polytechnic Institute and State University issued the following news release:

In modern warfare and national defense, physical conflicts are increasingly preceded by silent cyberattacks on vital resource networks. Most recently, cyber intrusions struck water and wastewater utilities across at least seven U.S. states, prompting federal investigations into potential Iranian involvement amidst heightened U.S.-Iran tensions.

While energy grids and IT networks dominate headlines, a Virginia Tech expert warns that water security is national security and critical supply chains remain dangerously vulnerable.

"From home drinking supply and food production to microchip manufacturing and cooling systems for data...