Index for glossary B
Backdoor
Backdoor is a general term for a malicious program that listens for commands on a certain network port. Most backdoors consist of a client component and a server component. The client resides on the intruder's remote computer, and the server resides on the infected system. When a connection between client and server is established, the remote intruder has some degree of control over the infected computer.
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Backup
Copies of programs, databases and other files made with the purpose of allowing the information to be restored if it is lost due to computer failure, virus infection or other unforeseen event.
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Biometric Identification
Use of measurable physiological characteristics
to authenticate a user such as fingerprints or
facial characteristics.
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Blocker Tag
A blocker tag is a device that uses a sophisticated algorithm to simulate many ordinary RFID tags simultaneously.
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Botnet
A botnet is a network of zombie computers under the remote control of a master.
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Brute Force Attack
Brute force attack is a technique used to break an encryption or authentication system by trying all possibilities.
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Buffer-overflow Attack
An attack exploits a process to read in data beyond the boundary of a fixed-length buffer, with an aim to overwrite computer memory by a carefully crafted data and execute privilege instructions in an unintended way.
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