Mobile phones were not designed for privacy and security by default. Not only do they do a poor job of protecting your communications, they also expose you to new kinds of surveillance ...

In all modern mobile networks, the cellular provider can calculate where a particular subscriber's phone is located whenever the phone is powered on and registered with the network. The ability to do ...

Phones can get viruses and other kinds of malware (malicious software ), either because the user was tricked into installing malicious software, or because someone was able to hack into the device ...

Your phone is filled with all sorts of antennas and sensors that collect a wealth of information. Here’s a rundown of some of them. The Global Positioning System (GPS) lets devices anywhere in the ...

This page was translated from English. The English version may be more up-to-date. This is an overview of network censorship, but it is not comprehensive. There are different ways of beating internet ...

Below are step-by-step tutorials to help you install and use handy privacy and security tools. Surveillance Self-Defense encourages you to think about online privacy and security in a sophisticated ...

An encryption key is a piece of information that is used to convert a message into an unreadable form. In some cases, you need the same encryption key to decode the message. In others, the encryption ...