Ethical Hacking, also known as penetration testing, intrusion testing, or red teaming, is the controversial act of locating weaknesses and vulnerabilities of computer and information systems by duplicating the intent and actions of malicious hackers.
An Ethical Hacker, also known as a whitehat hacker, or simply a whitehat, is a security professional who applies their hacking skills for defensive purposes on behalf of the owners of information systems. Nowadays, certiﬁed ethical hackers are among the most sought after information security employees in large organizations such as Wipro, Infosys, IBM, Airtel and Reliance among others.
For hacking to be deemed ethical, the hacker must obey the following rules:
The term "ethical hacker" has received criticism at times from people who say that there is no such thing as an "ethical" hacker. Hacking is hacking, no matter how you look at it and those who do the hacking are commonly referred to as computer criminals or cyber criminals. However, the work that ethical hackers do for organizations has helped improve system security and can be said to be quite effective and successful. Individuals interested in becoming an ethical hacker can work towards a certification to become a Certified Ethical Hacker, or CEH. This certification is provided by the International Council of E-Commerce Consultants (EC-Council). The exam itself costs about $500 to take and consists of 125 multiple-choice questions in version 8 of the test (version 7 consisted of 150 multiple-choice questions).