Ransomware gangs have silently hit three US water and wastewater treatment facilities this year, in 2021, the US government said in a joint cybersecurity advisory published today by the FBI, NSA, CISA, and the EPA. From a report: The attacks — which had been previously unreported — took place in March, July, and August and hit facilities in Nevada, Maine, and California, respectively. The attacks led to the threat actors encrypting files, and in one case, even corrupting a computer used to control the SCADA industrial equipment deployed inside the treatment plant. The three new incidents were listed as examples of what could happen when water treatment facilities ignore and fail to secure their computer networks.
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