When Iran cyberattacked Israel’s water supply system on April 24 and 25, it did more than just shut down computers and disrupt water system operations. The water facility attack was intended to release large amounts of poisonous chlorine into Israel’s water delivery infrastructure, potentially poisoning tens of thousands of Israelis.

Attempts to poison wells, ponds, lakes and reservoirs is nothing new and goes back to antiquity. But the attempt to release harmful amounts of chlorine from within a water supply system using a cyberattack is altogether new. Iran hit six water facilities in Israel, damaging the operating systems and disabling safety instrumentation systems.  Read More…