SSO vs VPN
SSO (Single Sign-On) and VPN (Virtual Private Network) both come up in technology conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.
The key difference: SSO refers to single sign-on, while VPN refers to virtual private network — they describe different things even when they show up in the same sentence.
SSO — Single Sign-On
An authentication system that lets users log into multiple applications with one set of credentials, typically via an identity provider.
VPN — Virtual Private Network
A network technology that encrypts internet traffic and routes it through a remote server, hiding the user's IP and protecting data on untrusted networks.
When to use SSO
Reach for "SSO" when the conversation is specifically about single sign-on. An authentication system that lets users log into multiple applications with one set of credentials, typically via an identity provider.
When to use VPN
Reach for "VPN" when the conversation is specifically about virtual private network. A network technology that encrypts internet traffic and routes it through a remote server, hiding the user's IP and protecting data on untrusted networks.
FAQs
What is the difference between SSO and VPN?
SSO stands for Single Sign-On — An authentication system that lets users log into multiple applications with one set of credentials, typically via an identity provider. VPN stands for Virtual Private Network — A network technology that encrypts internet traffic and routes it through a remote server, hiding the user's IP and protecting data on untrusted networks.
Are SSO and VPN the same thing?
No. They're often used in the same conversation because they're related, but they describe different concepts. SSO = Single Sign-On. VPN = Virtual Private Network.
When should I use SSO vs VPN?
Use SSO when you're specifically referring to single sign-on. Use VPN when the topic is virtual private network.