What Is a Firewall?
A firewall is a security barrier that controls which network traffic is allowed in and out of your device or network. Here is how it works…
Amelia Hart
369 reading now
Amelia Hart
Technology Correspondent
Amelia Hart covers artificial intelligence, consumer tech and the platform economy. She has written about the technology industry for more than a decade.
Ransomware Explained: How It Works and How to Prevent It
Ransomware locks your files and demands payment to release them. Here is how an infection actually happens, why a tested backup is your…
Amelia Hart
442 reading now
What Is Cybersecurity? A Beginner's Overview
Cybersecurity is the practice of protecting devices, accounts and data from digital attack. This beginner's guide explains the CIA triad it…
Amelia Hart
373 reading now
Biometric Authentication Explained
Biometric authentication verifies who you are using physical traits like a fingerprint or face instead of a password. Here is how it works…
Amelia Hart
394 reading now
What Is SaaS? Software as a Service Explained
SaaS, or software as a service, is software you use over the internet for a subscription instead of installing and owning it. Here is how…
Amelia Hart
342 reading now
What Is Blockchain? A Plain-English Guide
A blockchain is a shared, append-only digital ledger spread across many computers, so records are hard to change without everyone noticing…
Amelia Hart
442 reading now
What Is an Operating System?
An operating system is the master software that runs a computer or phone, managing the hardware and letting your apps work. Here is what it…
Amelia Hart
362 reading now
What Is a CMS (Content Management System)?
A CMS, or content management system, is software that lets you create, edit and publish a website without writing code by hand. Here is how…
Amelia Hart
420 reading now
What Is Responsive Web Design?
Responsive web design is an approach that lets a single website adapt smoothly to any screen, from a phone to a widescreen monitor, instead…
Amelia Hart
446 reading now