INCIDENT: Hackers Accessed HMIs at Israeli Water Facility

An Iranian threat-actor published a video of a breach in an Israeli reclaimed water reservoir HMI system. According to industrial cybersecurity firm OTORIO, the hackers accessed a human-machine interface (HMI) system that was directly connected to the internet without any authentication or other type of protection. The target was apparently a reclaimed water reservoir. “This gave the attackers easy access to the system and the ability to modify any value in the system, allowing them, for example, to tamper with the water pressure, change the temperature and more. All the adversaries needed was a connection to the world-wide-web, and a web browser,” OTORIO said in a blog post.

Incident Date

December 1, 2020



Estimated Cost

No cost values disclosed.

Type of Malware:

No Malware identified

Threat Source:

No threat source identified


  • What We’ve Learned from the Dec 1st Attack on an Israeli Water Reservoir
  • Iranian Hackers Access Unprotected ICS at Israeli Water Facility



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