Attacked by what?
Nice buildup! Quick, but steady. The change up every few seconds might be a little fast paced, but your transitions are smooth.
It didn't really feel like an attack until about 1:03, though. The 'flurry of action' is there, and the heavy stomp of something big is in the background, but it's too light. Lacks a powerful synth that says 'there is power here'.
Well, I suppose I could be an attack of locus, or gnats... or something. :P
Still, pretty good song.