Managing Controlled Access to Confidential Data

Controlling access to confidential data is a major issue for most organizations. Data that is sensitive can be tightly linked to trust among customers. This is why it is so important to protect against misuse. Data that can be used to identify individuals should be governed by guidelines to prevent identity fraud, the compromise of systems or accounts, and other grave consequences. To prevent these risks access to sensitive data should be controlled through strict role-based authorization.

There are a variety of models that can be used to grant access to sensitive data. The simplest model, discretionary access control (DAC), allows administrators or the owner to decide who can see the files they own and what actions those authorized subjects can take on them. This model is the default in the majority of Windows, macOS, and UNIX file systems.

Role-based access control is a more secure and secure method. This model aligns privileges to the requirements of a specific job. It also implements important security principles, including the separation of privileges and the principle of minimal privilege.

Fine-grained control of access goes beyond RBAC, allowing administrators to assign permissions according to an individual’s identity. It makes use of a combination that includes something you recognize, such as an account number, password, or device that generates codes, and something you possess, like access cards, keys, or devices with code-generating capabilities, as well as something you’re such as your fingerprint, iris scan, or voice print. This provides greater granularity in management and can help eliminate the majority of issues associated with authorization, including unmonitored access by former employees and access to sensitive data via applications from third parties.

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