Malware variants that target operational tech systems are very rare – but 2 were found last year

Fuxnet and FrostyGoop were both used in the Russia-Ukraine war

Two new malware variants specifically designed to disrupt critical industrial processes were set loose on operational technology networks last year, shutting off heat to more than 600 apartment buildings in one instance and jamming communications to gas, water, and sewage network sensors in the other.…