On one of my trips to GE Factory Training, circa 1980+/-, was a special class given in lghtning protection and avoidance.
Rule One - You can't stop lightning
Rule Two - You can't prevent damage
Rule Three - You CAN minimize damage, almost completely
All grounding wires should have sweeping radii, NOT sharp bends
There should be a smooth flow from the grounging point to ground, not going "backwards" after a bend
Lightning likes the path of least resistance, and will readily jump over an obstacle or to another path of lesser resistance
A cord with six knots is an ideal lightning suppressor for something like a computer. This was first discovered by accident when an owner of a window air conditionef=r called in for a replacement line cord. Seems his had a single knot in it and lightning hit the power line and blew out the side of the cord, rather then trying to foller the strands around in a circle. AC unit was fine otherwise. All other appliances were "toast", including the toaster.
Phone line protection can be as simple as two 100 ohm resistors in series with the phoneline.
An on and on and on.
Lots of simple stuph that worked well.
The knoted cord was upgraded to wraping a flat 3 conductor cord around a wood dowel. Had lots of them "smkoked" at two way radio sites.
As Tom mentioned, a good ground. A 10 foot ground rod and some #4 copper wire with a clamp will be under $20 dollar, and wel worth the cost. Provides additional safety in the cabinet, 'specially if you have it hooked up to a GFCI outlet for use with power tools or test equipment.
regards.....casey