# access control

Source: https://englishreference.com/word/access-control
Updated: 2026-08-27

## Senses

### 1. physical security

noun · CEFR B2 · Technical

the practice of limiting who can enter a building, room, or area to only those with permission.

For teachers: the selective restriction of access to a physical place or property, typically managed through locks, badges, or guards.

- The office uses electronic access control so only employees can enter the lab.
- Strict access control was implemented at the research facility to ensure that only personnel with high-level clearance could enter the server room.

Usage: Often functions as an uncountable noun in professional contexts.

### 2. digital security

noun · CEFR B2 · Technical

a way of controlling who can see or use specific files and data on a computer or network.

For teachers: the process of granting or denying specific requests for data or to use a particular digital resource.

- You need to update the access control settings so the new intern can read the files.
- The administrator configured the access control list to prevent unauthorized users from modifying sensitive financial records on the company network.

Usage: Commonly appears in the phrase 'access control list' (ACL).

## Examples

- The office uses access control to keep the building safe.
- New employees must attend a security briefing to learn how the company's digital access control protects sensitive client data.
- Implementing robust access control is essential for maintaining the integrity of the server room, ensuring that only authorized technicians can modify the hardware configurations.

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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.