> To cripple a countries infrastructure, you need to cut 100%. You could do a lot of damage with a few %, targeted in the right places, such as the so-called o

> To cripple a countries infrastructure, you need to cut 100%. You could do a lot of damage with a few %, targeted in the right places, such as the so-called operational nets (as opposed to their business/IT nets) used by organisations that run critical national infrastructure. E.g. those that monitor / control power distribution.