In computer technology, the unique name of a person, device, or the combination of both that is recognized by a system. Many types of AAA systems rely on unique identities to ensure the security of networks and resources.
Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.
Webopedia is an online information technology and computer science resource for IT professionals, students, and educators. Webopedia focuses on connecting researchers with IT resources that are most helpful for them. Webopedia resources cover technology definitions, educational guides, and software reviews that are accessible to all researchers regardless of technical background.
Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.