This unit provides introductory skills and knowledge required to implement testing procedures for systems in an organisation. These involve application layer testing tools as defined by the Open Web Application Security Project (OWASP), network testing and monitoring tools. The unit examines common threats, ethical hacking principles and introduction to penetration testing, social engineering security issues, enumeration, port scanning, sniffers, footprinting, traffic sniffers and wireless LAN vulnerabilities and contains a solid treatment of intrusions.