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Poor Password Security Led to Recent Water Treatment Facility Hack

February 11, 2021

New details have emerged about the remote computer intrusion at a Florida water treatment facility last Friday, highlighting a lack of adequate security measures needed to bulletproof critical infrastructure environments.

The breach, which occurred last Friday, involved an unsuccessful attempt on the part of an adversary to increase sodium hydroxide dosage in the water supply to dangerous levels by remotely accessing the SCADA system at the water treatment plant. The system’s plant operator, who spotted the intrusion, quickly took steps to reverse the command, leading to minimal impact.

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