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CdSe material is transparent to infra-red (IR) light and has seen limited use in photoresistors and in windows for instruments utilizing IR light. The material is also highly luminescent. [24] CdSe is a component of the pigment cadmium orange. CdSe can also serve as the n-type semiconductor layer in photovoltaic cells. [25]
Physical security describes security measures that are designed to deny unauthorized access to facilities, equipment, and resources and to protect personnel and property from damage or harm (such as espionage, theft, or terrorist attacks). [1] Physical security involves the use of multiple layers of interdependent systems that can include CCTV ...
Physical security information management (PSIM) is a category of software that provides a platform and applications created by middleware developers, designed to integrate multiple unconnected security applications and devices and control them through one comprehensive user interface. It collects and correlates events from existing disparate ...
Physical information security. Physical information security is the intersection or common ground between physical security and information security. It primarily concerns the protection of tangible information-related assets such as computer systems and storage media against physical, real-world threats such as unauthorized physical access ...
The Security Fundamentals Professional Certification (SFPC) is a credential offered to Americans under the Security Professional Education Development Program (SPēD).. The SFPC is sponsored through the Center for Development of Security Excellence (CDSE), a part of the Defense Security Service (DSS) in the US Government.
Cross-domain solution. A cross-domain solution (CDS) is an integrated information assurance system composed of specialized software or hardware that provides a controlled interface to manually or automatically enable and/or restrict the access or transfer of information between two or more security domains based on a predetermined security ...
Portals. Electronics portal. v. t. e. A nanowire is a nanostructure in the form of a wire with the diameter of the order of a nanometre (10 −9 m). More generally, nanowires can be defined as structures that have a thickness or diameter constrained to tens of nanometers or less and an unconstrained length.
Special access programs (SAPs) in the U.S. Federal Government are security protocols that provide highly classified information with safeguards and access restrictions that exceed those for regular (collateral) classified information. SAPs can range from black projects to routine but especially-sensitive operations, such as COMSEC maintenance ...