"In most environments the change would have been caught fairly rapidly." "Even though the hacker knew enough to manipulate a dangerous chemical, this intrusion still feels a bit ham fisted," Carhart said. And it's unlikely an attack like this would have worked against other utilities either, according to experts. Either way, the good news is that the water utility caught the intrusion, which wasn't as subtle as it could have been. There's still a lot we don't know about the hack of the City of Oldsmar's water treatment system, and the details of how the hacker took control will be the key in knowing how much the water utility was responsible for not securing its systems. "Someone either chose to do this for convenience with knowledge of the risks or they were ignorant of the risk and thought it wouldn’t be found (or that it was secure enough in this configuration)." Allowing weak controls on remote access to critical systems is the issue," Miller added. "This is an education or attitude problem.
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