The Vilanni mainframe showed as a black monolith in the Matrix. It was a tough nut, but Andy knew better than to come at it head on. He tried something new, running a side program to jigger things a bit. With effortless precision he focused in on a small section of the monolith, narrowing his perception until pits on the black surface grew to pocks, then holes, and finally tunnels. He’d used one of those tunnels before, a back door set by a renegade Vilanni programmer.