In computer security, discretionary access control (DAC) is a type of access control defined by the Trusted Computer System Evaluation Criteria [1] (TCSEC) as a means of restricting access to …

An access control policy that is enforced over all subjects and objects in an information system where the policy specifies that a subject that has been granted access to information can do …

This article discusses everything you need to know about Discretionary Access Control – definition, examples, benefits, drawbacks and best practices.

Sep 22, 2025 · What Is Discretionary Access Control (DAC)? Discretionary access control (DAC) is an approach to securing information systems in which administrators determine who should …

Discretionary Access Control (DAC) is one of the early, basic and foundational access control models used in information security systems. It’s simple, flexible, and often familiar to …

DAC is an access control model where the owner of a resource decides who can use it and in what way. A resource could be a file, an application, or even a physical room in a building. …

Discretionary Access Control is a decentralized access control policy that allows subjects to control access to objects. You can find DAC in smartphone apps, Google Docs, and Operating …

Mar 3, 2025 · Discretionary Access Control (DAC) is a flexible approach to managing user access within various environments, from corporate offices to sensitive government facilities.

Oct 18, 2025 · Think of DAC as a system where the resource owner —the person who created a file, for instance—gets to call the shots on who accesses it. They decide if someone can read, …

Dec 17, 2025 · In IT security, controlling who can access specific data or resources is essential. Two of the most widely used access control models are Discretionary Access Control (DAC) …