NSA, a lawsuit challenging “Upstream” surveillance under the FAA. Through Upstream surveillance, the U.S. government copies and searches the contents of almost all international — and many domestic — text-based internet communications. The suit was brought on behalf of nine educational, legal, human rights, and media organizations A security referent is the focus of a security policy or discourse; for example, a referent may be a potential beneficiary (or victim) of a security policy or system. Security referents may be persons or social groups, objects, institutions, ecosystems, or any other phenomenon vulnerable to unwanted change by the forces of its environment. [2] Installing a closed-circuit television (CCTV) system is an effective measure to increase the security of a business site and also to improve the efficiency and performance of a business’s operations. In summary, a CCTV system benefits a business by: Deterring theft. Deterring vandalism. Providing camera footage for evidence. settings, CCTV schemes have been criticised as they are frequently implemented based on the presumed benefits that result from camera surveillance rather than being based on any clearly articulated objectives. 9. One theoretically derived purpose of CCTV surveillance is the prevention of crime and disorder. 10. Two environmental Top 1: Retail Video Surveillance Is Helpful to Loss Prevention. Without doubt, one of the top benefits of installing retail store security devices, likes security camera, is that it can help to prevent retail store losses. Theft and shrinkage of inventory are a primary concern for retail store owners. A security camera system will help to cut To get a better understanding of IP-based video surveillance systems, in Fig. 1 we present an overview of their concepts. In general, a system can be described in terms of its purpose, implementation, topology, and protection. We will now detail each of these aspects. Purpose The purpose of a video surveillance system de-pends on the user’s .

purpose of cctv surveillance system