Access Control Fundamentals

In information security, access control is imperative to ensure confidentiality, integrity, and availability. Controlling who has access to a system and the breadth of access a user has is vital to ensure the security of systems and data on the systems. Read this article to understand the terms access control, access, subject, and resource. Note the challenges, the principles, the criteria, and the practices used in access control.

3. Access Control Principles

  • Principle of Least Privilege: States that if nothing has been specifically configured for an individual or the groups, he/she belongs to, the user should not be able to access that resource i.e.Default no access
  • Separation of Duties: Separating any conflicting areas of responsibility so as to reduce opportunities for unauthorized or unintentional modification or misuse of organizational assets and/or information.
  • Need to know: It is based on the concept that individuals should be given access only to the information that they absolutely require in order to perform their job duties.