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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.
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.
While hacking has become an important tool for governments to gather intelligence, black hats tend to work alone or with organized crime groups for financial gain. [2] [6] 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 ...
Hacking (falconry), the practice of raising falcons in captivity then later releasing into the wild; Hacking (rugby), tripping an opposing player; Pleasure riding, horseback riding for purely recreational purposes, also called hacking; Shin-kicking, an English martial art also called hacking
Struan Robertson, legal director at Pinsent Masons LLP, and editor of OUT-LAW.com says "Broadly speaking, if the access to a system is authorized, the hacking is ethical and legal. If it isn't, there's an offense under the Computer Misuse Act. The unauthorized access offense covers everything from guessing the password to accessing someone's ...
For example: What the user may consider as valid input may contain token characters or strings that have been reserved by the developer to have special meaning (such as the ampersand or quotation marks). The user may submit a malformed file as input that is handled properly in one application but is toxic to the receiving system.
Hack (computer security), to gain unauthorized access to computers and computer networks; Hack (programming language), a programming language developed by Meta; HACK (tag), a tag in a programming language comment warning about a workaround; Hack computer, a virtual computer described in the textbook The Elements of Computing Systems
The legal definition of computer fraud varies by jurisdiction, but typically involves accessing a computer without permission or authorization. Forms of computer fraud include hacking into computers to alter information, distributing malicious code such as computer worms or viruses , installing malware or spyware to steal data, phishing , and ...