False Rejection Rate (FRR)

False Rejection Rate (FRR): The likelihood that a biometric security system will incorrectly reject an access attempt by an authorized user. It is one of the key metrics used to evaluate the accuracy of biometric systems, the other being the False Acceptance Rate (FAR). Balancing FRR with FAR is crucial to ensure both security and […]

Faraday Cage

Faraday Cage: An enclosure used to block electromagnetic fields. It is typically formed by a conductive material or a mesh of such material. Named after the English scientist Michael Faraday, who invented them in 1836, Faraday cages work by distributing charge or radiation around the cage’s exterior, thus canceling out electric charges or radiation fields […]

Extranet

Extranet: A private network that uses internet technology and the public telecommunication system to securely share part of a business’s information or operations with suppliers, vendors, partners, customers, or other businesses. It can be viewed as part of a company’s intranet that is extended to users outside the company, offering controlled access while maintaining privacy […]

Extreme Programming (XP)

Extreme Programming (XP): A software development methodology that is intended to improve software quality and responsiveness to changing customer requirements. As a type of agile software development, XP advocates frequent “releases” in short development cycles, which are intended to improve productivity and introduce checkpoints where new customer requirements can be adopted. Key practices include pair […]

Executable Code

Executable Code: This refers to a set of instructions in a computer program that is currently being executed or is ready to be run by a computer’s processor. Executable code can come in various forms, such as binary executable files, scripts, or sequences of instructions interpreted by an interpreter. It typically resides within an executable […]

Executive state

Executive state: The operating status of a system when it is executing its primary, user-oriented functions, rather than administrative or maintenance tasks. Ensuring security while the system processes and manages data in this state is critical.