to satisfy user requests. This definition depends on several other technical terms from Federal Standard 1037C. Attribute accessors Special public member methods – accessors (aka getters) and mutator methods (often called setters) are used to control changes to class variables in order to prevent unauthorized access and data corruption. Public policy In public policy, access control to restrict access to systems ("authorization") or to track or monitor behavior within systems ("accountability") is an implementation feature of using trusted systems for security or social control. See also Alarm device, Alarm management, Security alarm Card reader, Common Access Card, Magnetic stripe card, Proximity card, Smart card, Optical turnstile, Access badge Castle, Fortification Computer security, Logical security, .htaccess, Wiegand effect, XACML, Credential Door security, Lock picking, Lock (security device), Electronic lock, Safe, Safe-cracking, Bank vault Fingerprint scanner, Photo identification, Biometrics Key management, Key cards Lock screen Physical security information management Physical Security Professional Prison, Barbed tape, Mantrap Security, Security engineering, Security lighting, Security management, Security policy References U.S. Federal 1037C U.S. MIL-188 U.S. National Information Systems Security Glossary Harris, Shon, All-in-one CISSP Exam Guide, 6th Edition, McGraw Hill Osborne, Emeryville, California, 2012. "Integrated Security Systems Design" – Butterworth/Heinenmann – 2007 – Thomas L. Norman, CPP/PSP/CSC Author NIST.gov – Computer Security Division – Computer Security Resource Center – ATTRIBUTE BASED ACCESS CONTROL (ABAC) – OVERVIEW External links Access Control Markup Language. An OASIS standard language/model for access control. Also XACML. Identity management Perimeter security Physical security