Short for security identifier, a security feature of the Windows NT and 2000 operating systems. The SID is a unique name (alphanumeric character string) that is used to identify an object, such as a user or a group of users in a networkof NT/2000 systems.
Windows grants or denies access and privileges to resources based on ACLs, which use SIDs to uniquely identify users and their group memberships. When a user requests access to a resource, the user��s SID is checked by the ACL to determine if that user is allowed to perform that action or if that user is part of a group that is allowed to perform that action.
Short for Security Incident and Event Manager SIEM is a set of tools used by IT professionals and system administrators to manage multiple security applications and devices, and to respond automatically to resolve security incidents.
Acronym for special interest group, a group of users interested in a particular subject who discuss the subject at meetings or via an online service. SIGs exist for almost every conceivable subject. Online SIGs are sometimes called forums or conferences.
Short for single instruction, multiple data. A type of parallel computing architecture that is classified under Flynn’s taxonomy. A single computer instruction perform the same identical action (retrieve, calculate, or store) simultaneously on two or more pieces of data (Charles Belov, 1997). * Typically this consists of many simple processors, each with a local memory […]
)Acronym for single in-line memory module, a small circuit board that can hold a group of memory chips. Typically, SIMMs hold up to eight (on Macintoshes) or nine (on PCs) RAM chips. On PCs, the ninth chip is often used for parity error checking. Unlike memory chips, SIMMs are measured in bytes rather than bits. […]
Short for Session Initiation Protocol (SIP) for Instant Messaging and Presence Leveraging Extensions, an application of the SIP protocol for server-to-server and client-to-server interoperability in instant messaging. SIMPLE is a step in bringing standardization to instant messaging.