Introduction Wireless networks, and the wireless devices that use them, introduce a host of security problems over and above those found in wired networks. Some of the key factors contributing to the higher security risk of wireless networks compared to wired networks include the following: Channel: Wireless networking typically involves broadcast communications, which is far...
Federated identity management is a relatively new concept dealing with the use of a common identity management scheme across multiple enterprises and numerous applications and supporting many thousands, even millions, of users. Identity Management Identity management is a centralized, automated approach to provide enterprise[1]wide access to resources by employees and other authorized individuals. The focus...
Mutual Authentication A two-level hierarchy of symmetric encryption keys can be used to provide confidentiality for communication in a distributed environment. In general, this strategy involves the use of a trusted key distribution center (KDC). Each party in the network shares a secret key, known as a master key, with the KDC. The KDC is...
What is User Authentication? Defines User Authentication as the process of verifying an identity claimed by or for a system entity. This process consists of two steps: Identification step: Presenting an identifier to the security system. (Identifiers should be assigned carefully, because authenticated identities are the basis for other security services, such as access control...
What is Data Mart? Data mart is subset of data warehouse oriented to particular business subject line. The data mart contains repository of summarized data collected for analysis for specific section or unit within organizations. It is controlled by only single department in organization. Data Mart usually draws a data from only few sources compared...