How is the CNSS model of information security organized?

Contents show

How is the CNSS model of information security organized quizlet?

How is the National Committee on National Security Systems (CNSS) model of information security organized? Confidentiality, Integrity, and Availability on the (Y-axis) and Storage, Processing, and Transmission on the (X-axis). 25 terms learned.

What is Cnss model in information security?

CNSS Model: The CNSS (Committee on National Security Systems) is a three-dimensional security model that has become the standard security model for many information systems in operation today.

What are the 3 dimensions of CNSS security model?

The three aspects of the security model are confidentiality, integrity, and availability.

What three principles are used to define the CIA triad define each in the context in which it is used in information security?

The three letters in the CIA Triad stand for confidentiality, integrity, and availability. The CIA Triad is the general model upon which security systems are developed. They are used to find vulnerabilities and ways to create solutions.

IMPORTANT:  What rights does the Fourth Amendment protect quizlet?

What is included in the InfoSec planning model quizlet?

InfoSec plans include incident response plans, business continuity plans, disaster recovery plans, policy plans, workforce plans, technology deployment plans, risk management plans, and security program plans.

What is the meaning of information security?

The term “information security” means protecting information and information systems from unauthorized access, use, disclosure, interruption, modification, or destruction in order to provide integrity, confidentiality, and availability.

What are the approaches used for implementing information security?

Different encryption methods for onsite and offsite employees and contractors. IP network-wide security for all network traffic. Firewalls, antivirus and anti-malware systems, intrusion alerts, and protective software.

What are the 27 cells in McCumber cube?

To secure a system, each of the 27 areas must be properly addressed during the security process (McCumber, 1991). The elements of the three-dimensional model are confidentiality, integrity, availability, policy, education, technology storage, processing, and transmission.

What is meant by balancing information security and access?

– Security must consider the balance between Protection and Availability. – To achieve balance, the level of security must allow reasonable access, yet protects against threats.

Why is the McCumber Cube important?

McCumber Cube. The cube brings together the desired goals (confidentiality, integrity, and availability), information state (storage, transmission, and processing), and safeguards (policies and practices, human factors, and technology).

What is the most important part of the CIA triad?

The three CIA goals of confidentiality are more important than the others when the value of the information depends on restricting access to that information. For example, in the case of confidential corporate information, confidentiality of information is more important than integrity or availability.

How is CIA triad implemented?


  1. Use preventive measures such as redundancy, failover, and RAID. Keep systems and applications up-to-date.
  2. Use network or server monitoring systems.
  3. Ensure that data recovery and business continuity (BC) plans are in place in case of data loss.

What are the key aspects of effective information security?

What are the three principles of information security? The fundamental principles of information security are confidentiality, integrity, and availability. All elements of an information security program should be designed to implement one or more of these principles. Together, they are called the CIA Triad.

What are the unique functions of information security management?

Information Security Management (ISM) defines and manages the controls that an organization must implement to adequately protect the confidentiality, availability, and integrity of its assets from threats and vulnerabilities.

What is the process of information security?

Information security, also called InfoSec, refers to the processes and tools designed and deployed to protect sensitive business information from change, disruption, destruction, and inspection.

IMPORTANT:  How do I find my AWS security Group ID?

What are the 5 elements of security?

It relies on five key elements: confidentiality, integrity, availability, authenticity, and non-repudiation.

How do you define a security model?

The security model is the structure from which the security policy is created. The development of this security policy is targeted to a specific configuration or instance of the policy. The security policy is based on certification, but is built within the scope of the security model.

What is the first step in information security?

Planning and Organization The first step in an effective information security framework is to understand exactly what your organization is trying to protect. This can begin with a thorough mapping of the network.

What is the first step in establishing an information security program?

The first step in establishing an information security program is to develop and implement an information security standards manual.

What are the components of McCumber Cube?

This interactive lesson introduces the McCumber Cube model of a cybersecurity program. It includes the CIA Triad (Confidentiality, Integrity, and Availability), the fundamental principles of information security.

How many dimensions does the McCumber Cube have?

In 1991, John McCumber created a model framework for establishing and evaluating information security (information assurance) programs, now known as The McCumber Cube. This security model is represented as a three-dimensional Rubik’s Cube-like grid.

What are the three states of data?

The three states of data are: data in storage, data in transit, and data in use. Data can change state quickly and frequently, or it can remain in one state for the entire life cycle of the computer.

Why is IT important to balance security and access?

The importance of striking a balance between ease of use and security cannot be overemphasized. Without an effective and easy-to-use platform, the first concern is the increased likelihood of a data breach. Sensitive information can be compromised through internal human error or external threats.

Why do we need to balance information security?

Often, records and information managers find themselves compromising security for the sake of accessibility. Balancing effective security while maintaining accessibility is especially important for federal information, which is a “high-value asset.”

What are the foundational principles for protecting information systems as outlined in the McCumber Cube?

These three principles are confidentiality, integrity, and availability. The principles provide focus and allow cybersecurity professionals to prioritize actions to protect the cyber world.

What is the goal of information security within an organization?

The three primary goals of information security are to prevent loss of system and data availability, loss of integrity, and loss of confidentiality. Most security practices and controls can be traced back to the prevention of loss in one or more of these areas.

How is the CIA triad used to evaluate encryption methods?

How is the CIA Triad used to evaluate encryption schemes? To protect data in storage, in use, and in transit, encryption methods are evaluated against three primary benchmarks

IMPORTANT:  What is adequate protection payments in a Chapter 13?

Which of these is the most important priority of the information security organization?

Control policies are part of the information security strategy. Compliance with relevant regulatory requirements is important, but ultimately the safety of people is the top priority.

What are the two major aspects of information security?

Technical and physical protection.

What are the principles of Information Security Management?

The fundamental principles (tenets) of information security are confidentiality, integrity, and availability. All elements of an information security program (and all security controls deployed by the entity) should be designed to achieve one or more of these principles. Collectively, these are referred to as the CIA Triad.

What are the components of an information security program?

To support these plans, components such as prevention and detection mechanisms, access control, incident response, privacy and compliance, risk management, auditing and monitoring, and business continuity planning are all necessary for a successful security program.

What are the four pillars of cyber security?

Bandler’s four pillars of cybersecurity

  • Knowledge and awareness of cybercrime threats, information security, technology, and legal requirements.
  • Protection of computing devices.
  • Protection of data.
  • Protecting networks and the secure use of the Internet.

What are the five functions of an information system?

Information systems consist of five distinct functions: input, storage, processing, output, and feedback loops.

What are the 5 main types of management information systems MIS?

Types of Management Information Systems

  • Process control.
  • Management Reporting System:.
  • Inventory Control
  • Sales and Marketing
  • Human Resources (Enterprise Collaboration/Office Automation) :
  • Accounting and Finance :
  • Decision Support Systems : Decision Support Systems : Expert Systems
  • Expert Systems :

How many types of security are there?

There are four main types of securities: debt securities, equity securities, derivative securities, and hybrid securities that combine debt and equity.

What are the steps of the information security program Lifecycle?

This lesson briefly describes the information security program lifecycle (classify, protect, distribute, declassify, and destroy) and explains why it is necessary, how it is implemented in the DoD, and identifies the policies associated with the DoD information security program.

What are the four phases of information security policy lifecycle?

The proposed ISP-DLC consists of four main phases: risk assessment, policy development, policy implementation, policy monitoring, and maintenance.

What is the first step in developing a computer security plan quizlet?

Which of the following is the first step in creating an information security plan? Explanation: Before assessing technical vulnerabilities or security awareness levels, the information security manager needs to understand the current business strategy and direction.

What is the first step in establishing an information security program Cissp?

What is the first step in developing an information security program? Perform a complete security controls review by an IS auditor. Obtain security access control software. Adopt a corporate information security policy statement.