R - Definitions

Search Definitions
  • R

    RADIUS (Remote Authentication Dial-In User Service)

    RADIUS (Remote Authentication Dial-In User Service) is a client-server protocol and software that enables remote access servers to communicate with a central server to authenticate dial-in users and authorize their access to the requested system or service.

  • RAT (remote access Trojan)

    A RAT (remote access Trojan) is malware an attacker uses to gain full administrative privileges and remote control of a target computer.

  • remote access

    Remote access is the ability for an authorized person to access a computer or network from a geographical distance through a network connection.

  • Report on Compliance (ROC)

    A Report on Compliance (ROC) is a form that must be completed by all Level 1 Visa merchants undergoing a PCI DSS (Payment Card Industry Data Security Standard) audit.

  • reverse brute-force attack

    A reverse brute-force attack is a type of brute-force attack in which an attacker uses a common password against multiple usernames in an attempt to gain access to a network.

  • Rijndael

    Rijndael (pronounced rain-dahl) is an Advanced Encryption Standard (AES) algorithm.

  • risk-based authentication (RBA)

    Risk-based authentication (RBA) is an authentication method in which varying levels of stringency are applied to a system’s authentication process based on the likelihood that access to that system could result in its compromise.

  • risk-based patch management (RBPM)

    Risk-based patch management (RBPM) is an approach to implementing patches to fix software code that prioritizes patches that address security issues posing the highest risk to the organization.

  • risk-based vulnerability management (RBVM)

    Risk-based vulnerability management (RBVM) is an approach to identifying and addressing security vulnerabilities in an organization's IT environment that prioritizes remediating vulnerabilities that pose the greatest risk.

  • role mining

    Role mining is the process of analyzing user-to-resource mapping data to determine or modify user permissions for role-based access control (RBAC) in an enterprise... (Continued)

  • What is a registration authority (RA)?

    A registration authority (RA) is an entity that is authorized to verify user requests for a digital certificate and also to tell a certificate authority (CA) to issue that certificate to the user.

  • What is a risk map (risk heat map)?

    A risk map, or risk heat map, is a data visualization tool for communicating specific risks an organization faces.

  • What is a risk profile? Definition, examples and types

    A risk profile is a quantitative analysis of the types of threats an organization, asset, project or individual faces.

  • What is a rootkit?

    A rootkit is a program or a collection of malicious software tools that give a threat actor remote access to and control over a computer or other system.

  • What is ransomware? Definition and complete guide

    Ransomware is malware that locks and encrypts a victim's data, files, devices or systems, rendering them inaccessible and unusable until the attacker receives a ransom payment.

  • What is residual risk? How is it different from inherent risk?

    Residual risk is the risk that remains after efforts to identify and eliminate some or all types of risk have been made.

  • What is risk analysis?

    Risk analysis is the process of identifying and analyzing potential issues that could negatively affect key business initiatives or projects.

  • What is risk appetite?

    Risk appetite is the amount of risk an organization or investor is willing to take in pursuit of objectives it deems have value.

  • What is risk assessment?

    Risk assessment is the process of identifying hazards that could negatively affect an organization's ability to conduct business.

  • What is risk avoidance?

    Risk avoidance is the elimination of hazards, activities and exposures that can negatively affect an organization and its assets.

  • What is risk exposure in business?

    Risk exposure is the quantified potential loss from currently underway or planned business activities.

  • What is risk management? Importance, benefits and guide

    Risk management is the process of identifying, assessing and controlling threats to an organization's capital, operations and financial performance.

  • What is risk reporting?

    Risk reporting is a method of identifying risks tied to or potentially impacting an organization's business processes.

  • What is role-based access control (RBAC)?

    Role-based access control (RBAC) is a method of restricting network access based on the roles of individual users within an enterprise.

  • What is the RSA algorithm?

    The RSA algorithm (Rivest-Shamir-Adleman) is a public key cryptosystem that uses a pair of keys for securing digital communication and transactions over insecure networks, such as the internet.