Ex-NSA chief on the water attacks: PLCs don't belong on the internet.

After the FBI investigated late-July attacks on OT devices with water systems compromised in at least 12 US states, retired General Paul Nakasone told The Register the answer is that simple. Halcyon's ransomware research SVP: "it's almost certain it's Iran." The scale problem Nakasone names is the real one: about 90% of US water comes from roughly 50,000 municipalities, typically underfunded with minimal IT staff. That's why DEF CON's Franklin project and Project Chimera exist as volunteer efforts.