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A security hacker or security researcher is someone who explores methods for breaching defenses and exploiting weaknesses in a computer system or network. [1] Hackers may be motivated by a multitude of reasons, such as profit, protest, information gathering, [2] challenge, recreation, [3] or evaluation of a system weaknesses to assist in formulating defenses against potential hackers.
Computer security software or cybersecurity software is any computer program designed to influence information security.This is often taken in the context of defending computer systems or data, yet can incorporate programs designed specifically for subverting computer systems due to their significant overlap, and the adage that the best defense is a good offense.
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
A white hat (or a white-hat hacker, a whitehat) is an ethical security hacker. [1] [2] Ethical hacking is a term meant to imply a broader category than just penetration testing. [3] [4] Under the owner's consent, white-hat hackers aim to identify any vulnerabilities or security issues the current system has. [5]
Black hat hackers may be novices or experienced criminals. They are usually competent infiltrators of computer networks and can circumvent security protocols. They may create malware, a form of software that enables illegitimate access to computer networks, enables the monitoring of victims' online activities, and may lock infected devices.
A hacker is a person skilled in information technology who achieves goals by non-standard means. The term has become associated in popular culture with a security hacker – someone with knowledge of bugs or exploits to break into computer systems and access data which would otherwise be inaccessible to them. In a positive connotation, though ...
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