← Back to glossary
📡

Data in Transit

Networking

Data moving between you and a service.

Definition

Data in transit is information being sent over a network (Wi‑Fi, mobile data, the internet), like messages, passwords, or files.

In plain English Data moving between you and a service.

Why this matters

Why it matters: If it isn’t protected, attackers on the network can intercept or modify it.

Example

Example: Uploading a photo or logging into a website.