Physical Harm --- Yes, base on the current technology development where there is a blur line between IT and OT, the attack conduct by digital code, can potentially explode the building or kill the people.

For example, If there is an attack (hack) the water treatment system, the whole city citizen potential ill or even kill in case the chemical substance have been modified intentionally by the attacker.

Read more

https://www.cisa.gov/sites/default/files/publications/infographic-supply-water-national-critical-function-102021-508.pdf

Source author: Phannarith Ou phannarith-ou@mptc.gov.kh