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October 15, 2015

Computer Awareness - Hacker (Computer Security)

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Hi friends, I am Shravan again. Here I am sharing some important details about Hacker (Computer Security) taken from news papers. This will be helpful for you in Computer Knowledge section of competitive exams. Happy Reading :)

Hacker (Computer Security)

Hacker is considered as hero of computer programs. In computer security, a hacker is someone who focuses on security mechanisms of computer and network systems. He is someone who lives and breathes computers, who know all about computers, who can get a computer to do anything. Equally important, though, is the hacker's attitude. Computer programming must be a hobby, something done for fun, not out of a sense of duty . Hackers are generally computer geniuses because it is due to the extraordinary computer know-ledge and skills that they can conveniently break into other computer systems.


Cracker is considered as villain of computer programs. A cracker is someone who breaks into someone else's computer system, often on a network; bypasses passwords or licenses in computer programs; or in other ways intentionally breaches computer security . A cracker does this for profit, maliciously , for some altruistic purpose.



A "White hat" hacker breaks security for non-malicious reasons, perhaps to test their own security system or while working for a secu-rity company which makes security software. The term "white hat" in Internet slang refers to an ethical hacker.


A "Black hat" hacker is a hacker who "violates computer security for little reason beyond
maliciousness or for personal gain". Black hat hackers break into secure networks to destroy, modify, or steal data; or to make the network unusable for those who are authorized to use the network. Black hat hackers are also referred to as the "crackers" within the security industry and by modern programmers.


A grey hat hacker lies between a black hat and a white hat hacker . Grey hat hackers sometimes find the defect of a system and publish the facts to the world instead of a group of people. Even though grey hat hackers may not necessarily perform hacking for their personal gain, unauthorized access to a system can be considered illegal and unethical.


A social status among hackers, elite is used to describe the most skilled. Newly discovered exploits circulate among these hackers.


A script kiddie (also known as a skid or skiddie) is an unskilled hacker who breaks into computer systems by using automated tools written by others.


A neophyte ("newbie", or "noob") is someone who is new to hacking or phreaking and has almost no knowledge or experience of the workings of technology and hacking.


A blue hat hacker is someone outside computer security consulting films who is used to bug-test a system prior to its launch, looking for exploits so they can be closed.


A phreak is a hacker who specializes in phone systems. These days, however, phreaking is more of a cracker activity . At one time, phreaks were enthusiastic about telephone net-works and simply wanted to understand how they worked and explore the-m. Ethical phreaks didn't steal services or cause damage; they just used their technical skill to play with the system. Phone systems have changed an-d are less susceptible to technological hacks. As a result, modern. phreaks intent on cracking the telecommunications systems often rely on criminal acts such as stealing phone cards and cloning cell phones.


The hacktivist is a gray hat or cracker who defaces Web pages to bring attention to a political agenda or social cause. Companies, organizations, and governments that engage in controversial practices or that have unpopular policies are likely targets of hacktivists. How ethical this behaviour is depends on whether or not you support the hactivist's agenda or believe in his cause.

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