A VPN token is a one-time password (OTP) generated by a security device for accessing a VPN. It acts as a 2-factor authenticator, ensuring that a device is authorized to connect to a VPN network. Using VPN tokens adds an additional layer of authentication to the login process, making it harder for attackers to gain unauthorized access to a network.
See also: Security token, Two-factor authentication
VPN tokens are available in both hardware and software formats, and they use a variety of authentication methods to generate OTPs:
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