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Chapter 11

Chapter 11 Terms

access control The mechanism used in an information system for granting or denying approval to use specific resources.
access control list 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.
Discretionary Access Control (DAC) The least restrictive access control model in which the owner of the object has total control over it.
Extended TACACS (XTACACS) The second version of the Terminal Access Control Access Control System (TACACS) 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 and used to verify the identity of networked users.
LDAP injection attack An attack that constructs LDAP statements based on user input statements, allowing the attacker to retrieve information from the LDAP database or modify its content.
least privilege Providing only the minimum amount of privileges necessary to perform a job or function.
Lightweight Directory Access Protocol 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 Sockets Layer or Transport Layer Security.
Security Assertion Markup Language An Extensible Markup Language standard that allows secure web domains to exchange user authentication and authorization data.
separation of duties The practice of requiring that process should be divided between two or more individuals.
TACACS+ The current version of the Terminal Access Control Access Control System authentication service.
Terminal Access Control Access Control System 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 or access resources.
Created by: bnash52