AP® Cybersecurity glossary
Data in transit
Data moving across a network, as opposed to data at rest, which is stored on a drive.
Appears in the course and exam description (CED): 3.1.C.1
Why it matters in Unit 3
Data in transit can be captured on any link it crosses, which puts its confidentiality and integrity at risk.
Example
A password sent over café Wi-Fi is data in transit. Encryption keeps the payload unreadable even if it is captured.
Learn it properly, with a checkpoint Networks: hosts, packets and the devices that move them