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Hacker is someone who seeks and exploits weaknesses in a computer system or computer network. Hackers may be motivated by a multitude of reasons, such as profit, protest, or challenge. the subculture that has evolved around hackers is often referred to as the computer underground and is now a known community. while other uses of the word hacker exist that are not related to computer security, such as referring to someone with an advanced understanding of computers and computer networks, they are rarely used in mainstream context. They are subject to the long standing hacker definition controversy about the true meaning of the term hacker. In this controversy, the term hacker is reclaimed by computer programmers who argue that someone breaking into computers is better called a cracker, not making a difference between computer criminals (black hats) and computer security experts (white hats). some white hat hackers claim that they also deserve the title hacker, and that only black hats should be called crackers.
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Today more and more software’s are developing and people are getting more and more options in their present software’s. But many are not aware that they are being hacked without their knowledge. One reaction to this state of affairs is a behavior termed “ETHICAL HACKING" which attempts to proactively increase security protection by identifying and patching known security vulnerabilities on systems owned by other parties. A good ethical hacker should know the methodology chosen by the hacker like reconnaissance, host or target scanning, gaining access, maintaining access and clearing tracks.
The state of security on the Internet is bad and becoming worse. One reaction to this state of affairs is behavior termed "Ethical Hacking" which attempts to proactively increase security protection by identifying and patching known security vulnerabilities on systems owned by other parties. Ethical hackers may beta test unreleased software, stress test released software, and scan networks of computers for vulnerabilities. Previous work has emphasized ethical hacking as an altruistic behavior but we find ethical hackers act rationally, in self-interest, to secure systems that are within their own community (sometimes for pay)-networked systems are only as secure as the weakest system within perimeter defenses.
For ethical hacking we should know about the various tools and methods that can be used by a black hat hacker apart from the methodology used by them. From the point of view of the user one should know at least some of these because some hackers make use of those who are not aware of the various hacking methods to hack into a system. Also when thinking from the point of view of the developer, he also should be aware of these since he should be able to close holes in his software even with the usage of the various tools.
A hacker is a person intensely interested in the arcane and recondite workings of any computer operating system. Hackers are most often programmers. As such, hackers obtain advanced knowledge of operating systems and programming languages. They might discover holes within systems and the reasons for such holes. Hackers constantly seek further knowledge; freely share what they have discovered, and never intentionally damage data.
A cracker is one who breaks into or otherwise violates the system integrity of remote machines with malicious intent. Having gained unauthorized access, crackers destroy vital data; deny legitimate users service, or cause problems for their targets. Crackers can easily be identified because their actions are malicious.
|Mission||The Art of Security|