# SSH

/ˌɛsˌɛsˈeɪtʃ/ (UK)

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

## Senses

### 1. networking protocol

noun · CEFR C1 · Technical

Stands for Secure Shell. A secure way to connect one computer to another over the internet so you can control it safely.

For teachers: Abbreviation for Secure Shell. A cryptographic network protocol used for secure data communication, remote command-line login, and remote command execution.

- The administrator used SSH to log into the server from home.
- Implementing SSH ensures that all data transferred between the client and the server remains encrypted and protected from interception.

Usage: Often used as an uncountable noun when referring to the protocol itself.

## Examples

- I use SSH to log into my work computer from home.
- The system administrator used SSH to securely access the server and update the software without exposing the password to the network.
- By utilizing public-key authentication over SSH, developers can establish a secure, encrypted tunnel that protects sensitive data transfers from potential man-in-the-middle attacks on unsecured networks.

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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.