Let's see...probably my greatest hack was setting up a VPN from school to home using randomly rotating ports so that I couldn't be blocked, remote desktopping into my home system through the link, then using it to bring in some specialised tools to prevent the SCHOOL'S RDP client, designed to watch us, from keeping track of what I was doing. My tool basically told the VNC server that was running on each computer at school that the computers screen resolution was 100,000x100,000. Basically, that meant that even if the admin was viewing what i was doing at full screen, my entire workstation was rendered as a tiny rectangle 10x7 pixels in size. Not only that, but the program also used distributed computing throughout the school district computers to render random desktops, the same size, to fill up the rest of the virtual screen. So, the admin could never have any idea what I was doing. Besides this, I piped that same image through a couple other computers to show on the viewer so that not only could he not see what I was doing, he couldn't even see who I was or what terminal I was using.
And if you believe that, I have the final source code for Windows 8 to sell you.