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Epic Systems Corporation (commonly known as Epic) is an American privately held healthcare software company based in Verona, Wisconsin. According to the company, hospitals that use its software held medical records of 78% of patients in the United States and over 3% of patients worldwide in 2022.
HyperSpace is an instant-on Linux-based [1] operating system that has been developed by Phoenix Technologies. [2] It is an application environment that can run either independently or side-by-side with a traditional operating system such as Microsoft Windows .
EPICS was initially developed as the Ground Test Accelerator Controls System (GTACS) at Los Alamos National Laboratory (LANL) in 1988 by Bob Dalesio, Jeff Hill, et al. [2] In 1989, Marty Kraimer from Argonne National Laboratory (ANL) came to work alongside the GTA controls team for 6 months, bringing his experience from his work on the Advanced Photon Source (APS) Control System to the project.
In computer security, general access control includes identification, authorization, authentication, access approval, and audit.A more narrow definition of access control would cover only access approval, whereby the system makes a decision to grant or reject an access request from an already authenticated subject, based on what the subject is authorized to access.
Graph-based access control (GBAC) is a declarative way to define access rights, task assignments, recipients and content in information systems. Access rights are granted to objects like files or documents, but also business objects such as an account. GBAC can also be used for the assignment of agents to tasks in workflow environments.
Common physical security access control with a finger print A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation.. In physical security and information security, access control (AC) is the selective restriction of access to a place or other resource, while access management describes the process.
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.
Role-based access control is a policy-neutral access control mechanism defined around roles and privileges. The components of RBAC such as role-permissions, user-role and role-role relationships make it simple to perform user assignments. A study by NIST has demonstrated that RBAC addresses many needs of commercial and government organizations. [4]