Denial of service
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A denial-of-service (DoS) attack is any of certain forms of malicious damage to computer systems. The aim of such an attack is to prevent legitimate users from accessing their services. A DoS attack is generated in a number of ways. … Read More

Fork bomb
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The fork bomb is a form of denial of service attack against a computer system. It relies on the assumption that the number of programs and processes which may be simultaneously executed on a computer has a limit. A fork … Read More

Computer bugs
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(Photo of first computer bug.) A computer bug is a fault in a computer program which prevents it from working correctly. Bugs arise from mistakes in either a program’s source code or its design. It is said that there are … Read More

Buffer overflow
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A buffer overflow is a type of computer bug. When the length limitation of a space reserved for data – a buffer – is not properly enforced, a buffer overflow may occur. Input data is written to the buffer and, … Read More

Cyber attacks
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TROJAN Remember the Trojan Horse? Bad guys hid inside it until they could get into the city to do their evil deed. A trojan computer program is similar. It is a program which does an unauthorized function, hidden inside an … Read More