Officials say they are investigating cyberattacks against municipal systems in Minnesota for possible links to Iranian groups.
Minnesota officials previously revealed that state water operations were targeted by cyberattacks on Sunday and Monday.
‘I don’t think there was an Iranian cyberattack. I think Minnesota ought to get its act together.’
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On Thursday, the Cybersecurity and Infrastructure Security Agency warned water and wastewater operators that they could be similarly attacked.
CISA said there was a significant increase in the attacks on “programmable logic controllers” involving outside actors changing passwords and locking out the operators. The agency urged operators to remove the PLCs and other operational technology from the internet as soon as possible.
“This activity has resulted in boil water notices and sustained manual operations,” CISA said.
The CISA warning did
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