Two fairly recent events should have erased all doubt about whether cyberattacks are a serious threat to critical infrastructure, including water and wastewater treatment plants.
In February, an attack on a water treatment facility in Oldsmar, Florida, briefly but dramatically changed the level of sodium hydroxide in the water. If the operations team had not detected the change and taken action, the sodium hydroxide in the water supply would have reached an extremely dangerous level.
In May, a ransomware attack on the largest fuel pipeline serving the East Coast of the United States forced a temporary shutdown of operations and led to
