Once again, a new hack shatters the myth of the air-gapped industrial network. Researchers have devised a sneaky reconnaissance attack that drops rogue ladder-logic code onto a Siemens programmable ...

In 2009, the computer worm Stuxnet crippled hundreds of centrifuges inside Iran’s Natanz uranium enrichment plant by targeting the software running on the facility’s industrial computers, known as ...

UPDATE: Project Basecamp, a volunteer effort to expose security holes in industrial control system software, unveiled new modules on Thursday to exploit holes in common programmable logic controllers ...

On the surface, a programmable logic controller (PLC) might seem like nothing more than a generic microcontroller, perhaps outfitted to operate in industrial settings with things like high ...

Ladder logic uses switch or relay contacts to implement Boolean expressions. In years past, ladder logic was made possible with discrete relays and was sometimes termed “relay logic.” Today most ...

Programmable logic controllers (PLCs) are used extensively throughout the world. Over time, they have advanced to become more user-friendly, efficient, smaller, and less expensive. Different types of ...