---

Verify/Verification
The process of ensuring that information has not been changed in transit or in storage.

Virtual private network (VPN)
A remote-access system in which users connect to an ISP or a private IP-based network and from there establish a secure connection with network servers via an encrypted tunnel.

Virtual reality (VR)
Computer simulations that allow users to interact with 3D graphics.

Virus
A malicious program, usually disguised as something benign, that replicates itself and may spread to other computers, potentially causing damage to a computer system by attaching to files, boot records or documents that use macros.

Voice over IP (VoIP)
A technology that provides voice transmission services over the Internet.