http://www.darkreading.com/vulnerabilities---threats/anatomy-of-a-cyber-physical-attack-/d/d-id/1318624
By Kelly Jackson Higgins
Dark Reading
1/14/2015
S4 Conference 2015 — The real threat to a power or manufacturing plant
isn't the latest vulnerability or malware variant.
"If you only consider hackers, you don’t have to be concerned that much.
They won't be able to take down a power grid or blow up chemical
facilities," says Ralph Langer, founder of Langner Communications and a
top Stuxnet expert. The danger is when attackers have an understanding of
the physical and engineering aspects of the plant or site they are
targeting, he says.
"We have not seen a lot of cyber-physical attacks in the past to actually
cause much damage. That requires skillsets that have nothing to do with
hacking," says Langner.
Stuxnet, of course, was the first known example of a cyber-physical
attack. Its mission was to derail the uranium enrichment process at Iran's
Natanz nuclear facility by sabotaging the associated centrifuges.
[...]
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