The fast growth of the internet has modified the way of life for all people. Nowadays, most of the private and public works are net dependent. Government’s all secret operating plans, and operations are the internet primarily based. All these things made the existence quite simple and easily accessible.
But with the coolest news, there is additionally a dark face of this improvement i.e., the criminal hacker. There is no geopolitical hassle of those criminal hackers; they are able to hack any device from any part of the world. They could harm confidential data and credit history very badly.
Consequently, to defend from the criminal hackers, the concept of the ethical hacker developed. This chapter discusses the idea and the role of an ethical hacker.
Ethical hackers are the computer experts who are legally allowed to hack a PC machine with the goal to guard against the criminal hackers. An ethical hacker identifies the vulnerabilities and risks of a system and suggests a way to get rid of them.
Criminal hackers are those computer programming experts who hack others structures with a view to steal data, steal money, defame others credit, destroy others data, blackmail someone, etc.
Once a system is hacked, a criminal hacker can do something with that system. The subsequent two images C.C. Palmer, which is published on pdf.textfiles.com, illustrate an easy example of a hacked page −
Here is a screenshot of a website taken before it was hacked –
And, here is the screenshot of the same webpage after it was hacked −
Expert ethical hackers have the following skill-sets to hack the system ethically
They must be trustworthy.
Ethical hackers, while performing penetration testing, basically try to locate the answers to the following questions −
Furthermore, an ethical hacker is required to address adequately the vulnerabilities and risks, which he observed to exist in the target system(s). He needs to explain and suggest the avoidance procedures. Eventually, prepare a final record of his all ethical activities that he did and observed even as appearing penetration testing.
Hackers are normally divided into three categories.
A "black hat hacker" is an individual who has an extensive computer software as well as hardware and his purpose is to breach or bypass internet security of someone else. Black hat hackers are also popular as crackers or dark-side hackers.
The term "white hat hacker" refers to an ethical computer hacker who is a computer security expert, specialized in penetration testing and in other associated testing methodologies. His primary role is to ensure the security of an organization's information system.
The term "grey hat hacker" refers to a computer hacker who cracks computer security system whose ethical standards fall somewhere between purely ethical and solely malicious.
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