Terms starting with “R”

ENCODER. ROTARY OPTICAL

An unauthorized node on a network. (SP 800-115) (NISTIR)

A job function or employment position to which people or other system entities may be assigned in a system. Source: IETF RFC 4949 Ver 2

(RBAC) A model for controlling access to resources where permitted actions on resources are identified with roles rather than with individual subject identities. (SP 800-95) (NISTI...

Access control based on user roles (i.e., a collection of access authorizations a user receives based on an explicit or implicit assumption of a given role). Role permissions may b...

"Card stock in web form, trimmed to a width of 3 1/4 inches or multiples thereof. Rolls are normally produced as an intermediate step in the production of unfinished ballot cards."...

Difference between number of votes cast for contests in the higher offices on the ballot and the number cast for contests that are lower on the ballot. It sometimes referred to as...

MEMORY. READ-ONLY

A principle-based, systems approach for the identification of underlying causes associated with a particular set of risks. (SP 800-30; SP 800-39) (NISTIR)

In a hierarchical public key infrastructure (PKI), the certification authority (CA) whose public key serves as the most trusted datum (i.e., the beginning of trust paths) for a sec...

In a hierarchical Public Key Infrastructure, the Certification Authority whose public key serves as the most trusted datum (i.e., the beginning of trust paths) for a security domai...

See privileged user.

A set of tools used by an attacker after gaining root-level access to a host to conceal the root-level access to attacker's activities on the host and permit the attacker to mainta...

The "form furnished election board officers to be used for obtaining the signature of each person applying for a ballot." Nev. Rev. Stat. §293.095.

An electromechanical device that essentially converts analog angular position information into digital output. Used as the basis of Hart InterCivic eSlate's voter selection wheel....

See BALLOT ROTATION.

Round keys are values derived from the Cipher Key using the Key Expansion routine; they are applied to the State in the Cipher and Inverse Cipher. (FIPS 197) (NISTIR) Rule-Based Se...

A device that determines the best path for forwarding a data packet toward its destination.

A method for compromising midpoint network infrastructure--such as routers--rather than specific computers or networks, to illicitly observe, redirect, tamper with, impede, or in s...

A real-time operating system (RTOS) is an OS that guarantees real-time applications a certain capability within a specified deadline.

A security policy based on global rules imposed for all subjects. These rules usually rely on a comparison of the sensitivity of the objects being accessed and the possession of co...

Detailed guidelines and constraints regarding the execution of information security testing. The ROE is established before the start of a security test, and gives the test team aut...

A table of instructions used by a controlled interface to determine what data is allowable and how the data is handled between interconnected systems.

(opscan) A horizontal or vertical line on an optical scan ballot used for visual separation of ballot components.