For your third try, you will get +1500 XP, etc. For your second try, you will get +1000 XP. The game will keep your previous +500 XP bonus. Repeat the previous steps, and capture every optional node or the network node. Load the saved game you created before starting the hack. Press Start, and you will notice you cannot save. When the 'Access Granted' window appears, do not select 'OK'. When you have acquired the optional nodes or captured the network node, pause the game, and load the saved game created before you hacked. While using Adam Jensen's computer, hacking the special reward nodes will get you a +500 XP bonus. Do not exit out of the hack or press a button to complete it you will also want to make sure you are getting an +XP bonus. Hack all optional nodes, or the Network node to instantly complete the hack. The Nuke Programs can be collected in the Sarif Manufacturing Plant, or while searching and hacking into the computers around Sarif HQ. Try to collect as many Nuke Programs as possible to help speed up the process. Use the discovered Praxis Kit and an earned Praxis point to upgrade to Hacking Security Level 3. This glitch works anywhere, but the first and easiest place to do it is at Adam Jensen's computer, which is located in his office at Sarif HQ, after returning from the Sarif Manufacturing Plant hostage situation.