What’s a possible sign of malware? 11 red flags to watch...
Malware, short for malicious software, is one of the most widespread risks on the internet. It can cause sluggish...
What is a web proxy, and how does it work?
Think you're browsing privately? Think again. Most websites can see your real IP address, track you with cookies, and...
DHCP meaning and how the Dynamic Host Configuration Protocol works
Ever wonder how your phone, laptop, or smart TV connects to the internet with zero setup on your part? That’s DHCP doing its job...
What is the IKEv2 VPN protocol?
IKEv2 is a key management protocol used in conjunction with the IPSec tunneling and encryption protocol—together, they form a secure and reliable VPN solution. Although...
Linux for old laptop: Best lightweight distros and installation guide
Repurposing an old computer with Linux is a great way to create a secure and privacy-focused machine for free.
NAT “firewall”: Everything you need to know about network security
NAT (Network Address Translation) is a feature built into most routers, helping to manage traffic between your devices and the internet. It rewrites private...
What is IPsec? How this security protocol protects your network
IPsec, short for Internet Protocol Security, is a protocol suite designed to protect data as it travels across the internet. Whether you’re connecting to...
How to prevent phishing attacks: Best practices and prevention tips
Phishing is by far the most common “hack” used to steal passwords, take over accounts, and enter systems without authorization.
Can a PDF have a virus? How to stay safe
PDFs are everywhere—invoices, resumes, e-books, tickets, reports. But here’s the thing: not every PDF is safe. Some are infected with malware that can quietly...
4 tips to create a strong password and keep your accounts secure in 2025
It’s no secret that strong passwords are essential for securing the dozens (or more) of online accounts you use each day, from email to...
Internet censorship explained: What it is and how it works
Censorship is no longer limited to history books or a few countries—it increasingly affects users around the world, including in democratic nations. Some restrictions are...
What is Tor? How does it work, and is it safe to use?
We explain how Tor Browser works, how to use and contribute to it, and the many other things Tor enables us to do online.
Phone number generators: Secure, private, and free options explained
A phone number generator is a tool that provides you with an alternate phone number—often temporary—to use in place of your regular one. You...
