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Index for glossary M

Macro Virus Mail Bomb Malicious Code Attack

Man in the Middle (MITM) Attack Mandatory Access Control (MAC)

Message Digest Multipartite

Macro Virus

Macro virus is a program written in the macro language which is provided with some software applications (word processors, spreadsheets, etc.) To propagate, macro viruses exploit the capabilities of the macro languages to transfer themselves from one infected file (document or spreadsheet) to another.

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Mail Bomb

A mail bomb is the sending of a massive amount of email to a specific person or system. A huge amount of mail may simply fill up the recipient's disk space on the server or, in some cases, may be too much for a server to handle and may cause the server to stop functioning.

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Malicious Code Attack

Malicious code refers to viruses, worms, spyware, Trojan horses and other undesirable software. Attack made by using such software is to cause disruption either by deleting files, sending emails, or rendering the host system inoperable.

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Man in the Middle (MITM) Attack

A man-in-the-middle attack (MITM) is an attack in which an attacker sits between two parties (the sender and receiver), captures and modify the communication messages of the two parties, and then sends the modified messages to the two parties.

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Mandatory Access Control (MAC)

Mandatory Access Control (MAC) is an authorisation approach in which access to objects is based on the sensitivity of the information contained in the objects.

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Message Digest

A compact representative of a message that is created by a cryptographic algorithm. It changes with the original message.

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Multipartite

A multipartite virus uses more than one mechanism to infect, such as combining the capabilities of both boot sector viruses and file infector viruses.