Essential skills for hackers / [electronic resource] Kevin Cardwell ; contributing editor: Henry Dalziel. Cardwell, Kevin, author. Dalziel, Henry, editor. Hacking. Computer security. Computer networks Access control. Computer networks Security measures. QA76.9.A25 005.8 23 Online resource; title from PDF title page (ScienceDirect, viewed December 17, 2015). 2015 Text 1 online resource http://www.sciencedirect.com/science/book/9780128047552 eng Essential skills for hackers. Essential skills for hackers.