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 ...

With so many companies and websites offering tools geared towards helping individuals improve their own digital security, how do you choose the tools that are right for you? We don’t have a foolproof ...

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 ...

A program that runs all the other programs on a computer or device. Windows, Linux, Android and Apple's OS X and iOS are all examples of operating systems.

This page was translated from English. The English version may be more up-to-date. On your path to improving your digital security, you may encounter bad actors who attempt to undermine your security ...

An add-on is a piece of software that modifies other software by changing how it works or what it can do. Often add-ons can add privacy or security features to web browsers or email software. Some add ...

What happens if you lose access to a secret key, or it stops being secret? A revocation certificate is a file that you can generate that announces that you no longer trust that key. You generate it ...

To receive encrypted messages using public key cryptography (and to reliably inform others that a message genuinely came from you), you need to create two keys. One, the private key, you keep secret.

Siêu dữ liệu (hay còn gọi dữ liệu về dữ liệu) là mọi thứ liên quan đến thông tin, bên cạnh nội dung của chính thông tin đó. Do đó nội dung của tin nhắn không phải là siêu dữ liệu, nhưng ai gửi nó, khi ...

เมตาดาต้า (หรือ 'ข้อมูลเกี่ยวกับข้อมูล') คือทุกสิ่งทุกอย่างเกี่ยวกับข้อมูล ยกเว้นตัวข้อมูลเท่านั้น ดังนั้น เนื้อหาของ ...

Giao thức truyền thông là một phương cách để gửi dữ liệu giữa các chương trình hay máy tính. Các chương trình phần mềm có sử dụng cùng các giao thức có thể nói chuyện với nhau: và để trình duyệt web ...