Ethical hacking involves testing to see if an organization's network is vulnerable to outside attacks. It's one of the most desired skills in an IT security professional. In this course, security ambassador Lisa Bock guides you through the System Hacking competency from the CEH Body of Knowledge. Find out how hackers are able to hack into a system and gain access. Learn about privilege escalation, keyloggers, and spyware. Plus, explore countermeasures that IT security professionals can take to prevent these attacks.