In late April, Israel’s National Cyber Directorate received reports about an attempted “major” cyberattack on its water infrastructure. According to a statement issued by the directorate, the attack consisted of “assault attempts on control and control systems of wastewater treatment plants, pumping stations and sewers.”
[ Learn what you need to know about defending critical infrastructure . | Get the latest from CSO by signing up for our newsletters. ]The directorate called on water companies to change their internet passwords, make sure their control system software is updated, and undertake other cyber hygiene measures to tighten security. The attempted attacks were unsuccessful, according to the directorate, and appeared to be coordinated. Of concern was the level of chlorine in the water supply. The directorate asked water companies look for any disruptions, particularly regarding chlorine use in the water supply.
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