insider attack
Any malicious attacks on a corporate system or network where the intruder is someone who has been entrusted with authorized access to the network, and also may have knowledge of the network architecture. An internal intrusion detection system (IDS) system is one measure that can help organizations limit the risk from insider attacks.
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- install
To connect or set in position and prepare for use. In computer terminology, install usually refers to putting software on a computer (install the software), or adding hardware components to your computer (install the hardware).
- Instant Messaging
Abbreviated IM, a type of communications service that enables you to create a kind of private chat room with another individual in order to communicate in real time over the Internet, analagous to a telephone conversation but using text-based, not voice-based, communication. Typically, the instant messaging system alerts you whenever somebody on your private list […]
- Instruction
A basic command. The term instruction is often used to describe the most rudimentary programming commands. For example, a computer’s instruction set is the list of all the basic commands in the computer’s machine language.
- Instruction Cycle
The time period during which one instruction is fetched from memory and executed when a computer is given an instruction in machine language. There are typically four stages of an instruction cycle that the CPUcarries out: Fetch the instruction from memory. This step brings the instruction into the instruction register, a circuit that holds the […]
- instruction register
See under instruction cycle.