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Ch. 11 Securit Terms

Chapter 11 Computer Security

Access Control The mechanism used in an information system for granting or denying approval to use specific resources.
Access Control List (ACL) A set of permissions that is attached to an object.
Access Control Model A predefined framework found in hardware and software that a custodian can use for controlling access.
Account Expiration The process of setting a user's account to expire
Extended TACACS (XTACACS) The second version of the Terminal Access Control Access Control System authentication service
Group Policy A Microsoft Windows feature that provides centralized management and configuration of computers and remote users
Implicit deny Rejecting access unless a condition is explicitly met
Job rotation The act of moving individuals from one job responsibility to another
Kerberos An authentication system developed by the Massachusetts Institute of Technology (MIT) and used to verify the identity of networked users
LDAP injection attack An attach that constructs LDAP statements based on user input statements, allowing the attacker to retrieve information from the LDAP database of modify its content
Least privilege Providing only the minimum amount of privileges necesary to perform a job or function
Lightweight Directory Access Protocol (LDAP) A protocol for a client application to access an X.500 directory.
Mandatory Access Control (MAC) The most restrictive access control model, typically found in military settings in which security is of supreme importance.
Mandatory vacations Requiring that all employees take vacations
Remote Authentication Dial In User Service (RADIUS) An industry standard authentication service with widespread support across nearly all vendors of networking equipment
Role Based Access Control (RBAC) A "real-world" access control model in which access is based on a user's job function within the organization
Rule Based Access Control (RBAC) An access control model that can dynamically assign roles to subjects based on a set of rules defined by a custodian.
Secure LDAP Transporting LDAP traffic over secure Soccets Layer (SSL) or Transport Layer Security (TLS)
Security Assertion Markup Language (SAML) An Extensible Markup Language (XML) standard that allows secure web domains to exchange user authentication and authorization data.
Separation of duties The practive of requiring that processes should be divided between two or more individuals
TACACS+ The current version of the Terminal Access Control Access Control System (TACACS) authentication service.
Terminal Access Control Access Control System (TACACS) An authentication service commonly used on UNIX devices that communicates by forwarding user authentication information to a centralized server. The current version is TACACS+
Time-of-day restriction Limitation imposed as to when a user can log in to a system on access resources.
Created by: BWallace9311