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What is a Virtual Private Network (VPN)?
  1. Glossary/

What is a Virtual Private Network (VPN)?

3 mins·
Ben Schmidt
Author
I am going to help you build the impossible.

You hear the acronym VPN constantly in the tech space. It stands for Virtual Private Network. At its core, a VPN is a service that creates a secure connection between your device and the internet.

Think of the internet as an open highway. When you send data, it travels in a vehicle that anyone watching the road can see. They can see where it came from and where it is going.

a VPN changes this dynamic. It builds a private tunnel around your data. It scrambles the information so that even if someone intercepts it, they cannot read it. For a founder, this is not just about personal privacy. It is about protecting your intellectual property and your customer data.

How the Technology Works

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When you switch on a VPN, your internet traffic is routed through a remote server run by the VPN host. This happens before your traffic reaches the wider internet.

This process accomplishes two main things:

  • Encryption: The data is turned into unreadable code. It remains encrypted until it reaches the VPN server.
  • IP Masking: The internet sees the IP address of the VPN server rather than your actual IP address.

If you are working from a coffee shop or an airport, the public Wi-Fi network is notoriously insecure. Without a VPN, a bad actor on the same network could potentially snoop on your activity. The VPN ensures that the connection between your laptop and the server is opaque to outsiders.

The Startup Use Case

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Startups operate differently than legacy corporations. You likely have a distributed team or you work remotely yourself. This flexibility introduces security risks that a traditional office firewall might have handled in the past.

Encryption keeps company secrets private.
Encryption keeps company secrets private.

Founders need to consider VPNs for three specific operational reasons:

  1. Remote Access Security: If your team accesses internal dashboards or staging environments from their homes, you need to ensure that connection is secure.
  2. Market Testing: You might need to see how your product looks to a user in London while you are sitting in San Francisco. A VPN allows you to spoof your location to test geo-specific features.
  3. Compliance: If you are pursuing SOC2 or HIPAA compliance, demonstrating that you have controls in place for data access is mandatory. Network security is a major component of these audits.

VPN vs. Proxy

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It is common to confuse a VPN with a proxy server, but they are not the same tool. They both hide your IP address, but the similarity ends there.

A proxy acts as a gateway. It reroutes your traffic, making it look like it comes from somewhere else. However, proxies generally do not encrypt the traffic. They work at the application level, meaning they might only reroute traffic for a specific web browser.

A VPN works at the operating system level. It captures every packet of data leaving your device, from your web browser to your background updates, and encrypts it all.

If your goal is simply to bypass a region block to view a website, a proxy might suffice. If your goal is to protect sensitive company data, a proxy is insufficient.

Business vs. Consumer Solutions

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Most VPNs are marketed to individuals who want to watch streaming content from other countries. These are consumer solutions.

As you scale your business, you will encounter business-grade VPNs. These often include dedicated IP addresses (so your whole team appears to come from one safe location) and user management dashboards. This allows you to revoke access when an employee leaves the company.

When evaluating a provider, look past the marketing speed claims. Focus on their logging policy. You want a provider that has a strict “no-logs” policy, meaning they do not store records of your activity. Security is only as good as the weakest link.