LibreGuard Blog

Page 4 of privacy, VPN, Linux, networking, and cybersecurity articles

A laptop sends protected data through layered encryption toward a VPN server

How VPN Encryption Works

Learn how VPN encryption protects data, how handshakes create session keys, and what VPN tunnels can—and cannot—hide from networks and websites.

Read More
A phone connects to public Wi-Fi while a protective VPN tunnel shields its traffic

Why Public Wi-Fi Can Be Risky

Public Wi-Fi can expose you to rogue hotspots, local interception, and phishing. Learn the risks and practical steps for safer connections on the go.

Read More
An internet provider sees an encrypted connection while a VPN tunnel carries traffic toward websites

Can Your ISP See Your Traffic?

Can your ISP see your traffic? Learn what it can observe without a VPN, what HTTPS hides, and how VPNs, DNS, and IPv6 change the picture.

Read More
A website analyzes a shared VPN address and browser signals while a user connects through an encrypted tunnel

Can Websites Detect a VPN?

Websites can often recognize VPN use from shared IPs and browser signals. Learn what VPN detection means, what sites can infer, and what it cannot prove.

Read More