Protecting Your Privacy with a VPN

Posted on June 11, 2025

A Virtual Private Network (VPN) creates an encrypted tunnel between your device and a VPN server, routing all your internet traffic through this secure connection. While VPNs were originally designed for corporate networks, they've become essential tools for protecting personal privacy in an age of pervasive digital surveillance and data collection.

When you connect to a VPN, your internet service provider (ISP) can no longer see which websites you visit or what data you transmit - they only see encrypted traffic going to the VPN server. This is particularly important on public WiFi networks, where attackers might intercept unencrypted traffic. The VPN also masks your real IP address, making it harder for websites to track your location or build profiles based on your browsing habits.

However, VPNs aren't a magic bullet for privacy. You're essentially shifting trust from your ISP to your VPN provider, so choosing a reputable service is crucial. Look for providers with clear no-logs policies, strong encryption standards, and ideally third-party audits. Be wary of free VPN services, which often monetize by selling user data or injecting ads.

For developers, VPNs offer additional benefits. They can help test geo-restricted features, bypass corporate firewalls during travel, or access development servers securely. Some developers run their own VPN servers for complete control over their data. Whether using a commercial service or self-hosting, understanding VPN technology and its limitations is essential for making informed decisions about your digital privacy.