The rogue code can disable safety systems designed to prevent catastrophic industrial accidents. It was discovered in the Middle East, but the hackers behind it are now targeting companies in North America and other parts of the world, too.
Snip... "The first outage was mistakenly attributed to a mechanical glitch; after the second, the plant's owners called in investigators. The sleuths found the malware, which has since been dubbed “Triton” (or sometimes “Trisis”) for the Triconex safety controller model that it targeted, which is made by Schneider Electric, a French company.
In a worst-case scenario, the rogue code could have led to the release of toxic hydrogen sulfide gas or caused explosions, putting lives at risk both at the facility and in the surrounding area."