Douglas Crawford

ChaCha20 is a performant and lightweight, yet highly secure, 256-bit stream cipher used to encrypt and decrypt data. It’s often used to secure data transmitted…

Freenet is a decentralized, encrypted, open-source dark web designed to let you communicate with others, upload and download content, and access online information anonymously.  Learn…

A contraction of “keystroke logger”, a keylogger is either a piece of software or a hardware device that records input from your device’s keyboard. Although…

This artcile was updated and refreshed November 2023. We discuss how to change the IP address of your Windows 10 or Windows 11 device. This…

Businesses and other organizations use content filtering to block employees or customers from accessing certain online content.  There are a few reasons they may do…

WiFi is the technology that lets you wirelessly connect your computer or mobile device to the internet. As with any connection on a network, there…

For over two years, Proton VPN has been one of a very few VPN services to offer a full Linux app with a graphic user…

Perfect forward secrecy (PFS) is a cryptographic feature of internet communication protocols that ensures even if a session is compromised, past and future sessions remain…

A zero-day is a software vulnerability or security flaw in a computer system that its developers or vendors are unaware of. The term zero-day (also…