Unlike malicious hacking, ethical hacking is a legal way to check system vulnerabilities. Many organizations are still wary of ethical hackers, and they have every right to do so, since some hackers lie for their own benefit. However, many organizations are now looking for ethical hackers because they want to find a way to protect themselves, their customers and employees.
As you work on the book, you will learn more about what an ethical hacker approach is, and begin to understand the various types of attacks that an ethical hacker can make on a system.