Articles

Keep safe on the internet with practical privacy and security guides.

A VPN during a network outage

A VPN during a network outage

September 18, 2025

If the local network is untrusted, a VPN encrypts the traffic that can still get out. It does not restore power or mobile service.

DNS, WebRTC & IPv6 Leaks: Test and Fix in 10 Minutes

DNS, WebRTC & IPv6 Leaks: Test and Fix in 10 Minutes

September 15, 2025

A VPN does not stop every browser or operating-system setting from revealing an address. These are the checks.

Data brokers and IP addresses

Data brokers and IP addresses

September 12, 2025

An IP address is one identifier among many. A VPN changes the address websites see. It does not delete a file a broker already holds.

Course sites that check your country

Course sites that check your country

September 8, 2025

Some university and video sites allow a login only from certain countries, based on the IP address. A VPN can present another address. The site can still refuse it.

The Ashley Madison leak, and what a VPN does not fix

The Ashley Madison leak, and what a VPN does not fix

September 5, 2025

In 2015, attackers published user records from Ashley Madison, including email addresses and IP addresses. A VPN would not have removed data the site already stored.