This 3-day hands-on workshops covers the hacking techniques from the perspective of professional providing penetration testing services. It covers the open-source and commercial tools available, dealing with false-positives, demonstrating return on investment (ROI) to clients, estimating time and effort per exercise, and making sure you don't end up crashing the server. Besides network and operating system attacks, we also cover attacking firewalls, IDS, VPNs, with an entire day devoted to the web application layer.