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virus detection

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activity monitor

Overview page. Subjects: Computing.

A form of virus detection software which monitors the running of a computer and reports any suspicious activities, such as an attempt to alter basic operating system information like a...

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application monitor

Overview page. Subjects: Computing.

A form of virus detection software which monitors the execution of programs to see whether they are exhibiting behaviour which is similar to that of viruses: for example, carrying out the...

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armoured virus

Overview page. Subjects: Computing.

A virus which attempts to subvert any attempts by virus detection software to discover them. The main way they do this is by adding confusing and complex code to the infected computer along...

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immunization

Overview page. Subjects: Medicine and Health.

n. the production of immunity by artificial means. Passive immunity, which is temporary, may be conferred by the injection of an antiserum, but the production of active...

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integrity checker

Overview page. Subjects: Computing.

A form of virus detection software. It keeps data similar to a message digest for each file on a computer. Periodically it checks that files have not been interfered with by a virus by...

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polymorphic virus

Overview page. Subjects: Computing.

A virus which changes its form each time it infects a computer. This is achieved by changing the program code of the virus although the function of the code stays the same. This makes these...

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scanner

Overview page. Subjects: Computing.

1 A form of virus detection software. It scans the memory of a computer looking for known code patterns associated with viruses. Scanners can be executed continuously or can be...

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signature scanning

Overview page. Subjects: Computing.

The most common technique of specific virus detection in which code is scanned for the signatures of any of a set of known viruses. See signature (def.3).

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stealth virus

Overview page. Subjects: Computing.

A type of virus which attempts to nullify or confuse any attempt to detect it. It does this by infecting the code of the computer that could be used by virus detection software so that this...

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