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Proprietary software is a subset of non-free software, a term defined in contrast to free and open-source software; non-commercial licenses such as CC BY-NC are not deemed proprietary, but are non-free. Proprietary software may either be closed-source software or source-available software. [1] [2]
A sensitive compartmented information facility ( SCIF / skɪf / ), in United States military, national security/national defense and intelligence parlance, is an enclosed area within a building that is used to process sensitive compartmented information (SCI) types of classified information . SCIFs can be either permanent or temporary and can ...
The Orange Book. Trusted Computer System Evaluation Criteria ( TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for assessing the effectiveness of computer security controls built into a computer system. The TCSEC was used to evaluate, classify, and select computer systems being considered ...
Open-source software(OSS) is computer softwarethat is released under a licensein which the copyrightholder grants users the rights to use, study, change, and distribute the softwareand its source codeto anyone and for any purpose. [1][2]Open-source software may be developed in a collaborative, public manner.
Behind the Green Door secure communications center with SIPRNET, NMIS/GWAN, NSANET, and JWICS access. The Joint Worldwide Intelligence Communications System (JWICS) is a secure intranet system utilized by the United States Department of Defense to house "Top Secret/Sensitive Compartmented Information" [5] In day-to-day usage, the JWICS is used primarily by members of the Intelligence Community ...
Open-source intelligence. Open source intelligence ( OSINT) is the collection and analysis of data gathered from open sources (covert sources and publicly available information) to produce actionable intelligence. OSINT is primarily used in national security, law enforcement, and business intelligence functions and is of value to analysts who ...
In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", [ 1] yet still in use. Often referencing a system as "legacy" means that it paved the way for the standards that would follow it. This can also imply that the system is out of ...
Open access. Open access ( OA) is a set of principles and a range of practices through which research outputs are distributed online, free of access charges or other barriers. [ 1] With open access strictly defined (according to the 2001 definition), or libre open access, barriers to copying or reuse are also reduced or removed by applying an ...