A small, removable chip that can be inserted into a mobile device in order to provide service with a particular mobile phone carrier. SIM (subscriber identity module) cards can also store phone ...

Nơi dữ liệu được lưu trữ, thường là ngay trong máy tính hay thiết bị. Hệ thống tập tin thường là nơi giữ các tài liệu cá nhân và ghi chú để cho dễ truy cập.

Đối thủ của bạn là người hoặc tổ chức cố gắng phá vỡ các mục tiêu an toàn của bạn. Đối thủ có thể khác nhau, tùy thuộc vào từng tình huống. Ví dụ như, bạn có thể lo âu về đám tội phạm dò thám trên ...

IMAP is the way that many email programs communicate with services that send, receive, and store your email. By changing the IMAP settings on your email program, you can choose to load email from ...

A way to confirm automatically that a public key is correct (is really the one that's used by a particular entity) in order to prevent man-in-the-middle attacks. Most often used by websites to prove ...

If you’ve ever worried about protecting the privacy of your digital data or your conversations with others, we’re here to help. Surveillance Self-Defense is a digital security guide that teaches you ...

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 ...

Under some circumstances, encryption can be fairly automatic and simple. But there are ways encryption can go wrong. The more you understand it, the safer you will be against such situations. We ...

The various properties of your web browser and computer that a website can notice when you visit. They may be slightly different from other browsers or computers, which can be a way to recognize you ...

Digital fingerprinting is the process where a remote site or service gathers little bits of information about a user's machine, and puts those pieces together to form a unique picture, or "fingerprint ...