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.