U.S. Water and Wastewater Systems (WWS) Sector facilities have been breached multiple times in ransomware attacks during the last two years, U.S. government agencies said in a joint advisory on Thursday.
The advisory also mentions ongoing malicious activity targeting WWS facilities that could lead to ransomware attacks affecting their ability to provide potable water by effectively managing their wastewater.
Since they are part of the 16 U.S. critical infrastructure sectors, their compromise and incapacitation via spearphishing and outdated software exploitation attacks would directly impact national security, economic security, and public health or safety.
Multiple ransomware strains were used in the incidents revealed in this advisory to encrypt water treatment facilities’ systems, including Ghost, ZuCaNo, and Makop ransomware:
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