Penetration Testing-Assessing all the Vulnerabilities before an Intruder can Do

Penetration testing is the testing to verify the security of a Website, server and network by safely trying to exploit vulnerabilities. Security is the most important issue in today's world.This paper outlined various features of penetration testing such as importance of penetration testing, steps of performance and identification of vulnerabilities. This paper reviewed the various online Penetration testing tools and comparison between them. Kali linux has wonderful set of inbuilt tools of kali linux for the penetration testing. Some of these inbuilt tools have been discussed in this paper.