This Edureka video on "What is Cyber Security" gives an introduction to the Cyber Security world and talks about its basic concepts. You get to know different kinds of attack in today's IT world and how cybersecurity is the solution to these attacks. Below are the topics covered in this tutorial: 1. Why we need Cyber Security? 2. What is Cyber Security? 3. The CIA Triad 4. Vulnerability, Threat and Risk 5. Cognitive Cyber Security