InfoSec
[General Users] [Youngsters & Students] [Parents and Teachers] [IT Professionals] [SME]
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Download the full list of glossary (in PDF format)
( To view and print the downloaded document, you need to use an Adobe Acrobat Reader. Please click here to download if necessary.)
The system of preventing unauthorised access to the resources of an IT product, programs, processes, systems, or other IT products. Some suppliers consider preventing unauthorised users from logging on to the system to be access control. In reality, access control should also stop logged on users accessing objects (files, devices, etc) for which they have no authorisation.
Active jamming of RF signals refers to the use of a device that actively broadcast radio signals in order to disrupt the operation of any nearby RFID readers.
It’s simply an action to forging an address. One example is IP spoofing.
It refers to the use of management procedures and mechanisms to prevent unauthorised access to a system.
Adware is software that displays advertising banners while the program is running. A lot of adware is also spyware.
AES algorithm is a symmetric block cipher (encryption algorithm) that is based on Rijndael algorithm and uses key sizes of 128, 192, or 256 bits to operate on a 128-bit block.
An assumed or alternate name. Some viruses are given multiple names since there is no real standard for naming computer viruses.
A virus that attacks, disables, or avoids infecting specific anti-virus software. Also called a retrovirus.
Anti-spyware software is computer software that detects and cleans spyware.
A software that is designed to stop viruses, eliminate viruses, and/or recover data affected by viruses.
A virus that specifically looks for and removes another virus.
A system used to restrict access to services or functions across a firewall boundary.
Two different keys are used with one for encryption and the other for decryption. The decryption key cannot be derived from the encryption key.
Audit trail is defined as a chronological record of system activities to enable the reconstruction and examination of the sequence of events and/or changes in an event.
A process or method to identify and to prove the identity of a user/party who attempts to send message or access data. Message authentication refers to a process used to prove the integrity of specific information.
A portable device operates by using challenge/response, time sequence, or other techniques in order to authenticate a user.
A process to grant rights to a person for accessing data or using specific information resources.
A condition in which information or processes are reasonably accessible and used by an authorised party including timely and critical operations.
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