Organic torpedoes...... nice in theory. There is a more realistic (and it exists) way of bringing down a computer (or several of them next to each other)....... the good old EM pulse. If a random lightning strike can fry a few computers, a well positioned pulse of adequate power could do some real damage.
Also with computers going faster and using lower voltages, random spikes caused by lightning could start to have more severe consequences in future...