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Chapter 11- Security
| Term | Definition |
|---|---|
| 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 that the custodian can use for controlling access. |
| account expiration | the process of setting a user's account to expire on a certain date or when it has been inactive for a given amount of time |
| Discretionary Access Control (DAC) | least restrictive access control model |
| Extended TACACS (XTACACS) | The Second version of the Terminal Access Control System |
| Group Policy | 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 attack that constructs LDAP statements based on user input statements, allowing the attack to retrieve information from the LDAP database or modify it's content |
| least privilege | Providing only the minimum amount of privileges necessary 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 Sockets Layer (SSL) or Transport Layer Security (TLS) |
| Security Assertion Markup Language (SAML) | An Extensible Markup Lanaguage (XML) standard that allows secure web domains to exchange user authentication and authorization data |
| separation of duties | The practice 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 or access resources |
Created by:
tblass
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