# RBAC

CEFR C2 · Noun

Source: https://englishreference.com/word/rbac
Updated: 2026-07-22

## Definition

Stands for Role-Based Access Control. A way of managing computer security where people get access to files or systems based on their specific job role.

For teachers: Abbreviation for Role-Based Access Control. A security paradigm in which system access is restricted to authorised users based on their defined organisational roles rather than individual identities.

## Examples

- The company uses RBAC to manage folder permissions.
- After the security audit, the IT department implemented RBAC to ensure that junior staff could not modify sensitive financial records.
- By adopting an RBAC framework, the enterprise significantly reduced the administrative overhead associated with onboarding new employees, as permissions were automatically inherited from their assigned job functions.

## Usage notes

- Commonly used in technical and cybersecurity contexts; often functions as a modifier before other nouns like 'model' or 'system'.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
