DNS Explained
You don’t remember individual mobile numbers. Instead, you go to your contacts app and call it by their names. The contacts app allows people to input everyday words without having…
What Is DNS propagation?
Now that you have the background knowledge you need, we can take a closer look at what DNS propagation is and how you can influence its performance. When you make…
The World Before the Internet
The horror! From Robert Kahn and Vint Cerf to Tim Berners-Lee, discover the actual inventors of the internet and learn what inspired them to change the world forever. The World…
Chrome extensions with 1.4M installs covertly track visits and inject code
If you’ve installed any of these extensions, manually remove them stat. Google has removed browser extensions with more than 1.4 million downloads from the Chrome Web Store after third-party researchers…
FCC cancels Starlink’s $886 million grant from Ajit Pai’s mismanaged auction
FCC: “Nascent” Starlink tech has capacity limits and may not deliver the required speed. The Federal Communications Commission (FCC) has rejected Starlink’s application to receive $885.51 million in broadband funding,…
Multi-Factor Authentication: Who Has It and How to Set It Up
Don’t let scammers get their hands on your sensitive information. Here’s how to secure your online accounts with multi-factor authentication (MFA), and two-factor authentication (2FA). The 2014 Heartbleed bug exposed…
Yanluowang Ransomware Operators hacked Cisco to Steal Internal Data
Recent reports indicate that Cisco’s corporate network was infected with ransomware from the Yanluowang group in late May. Under the threat of leaking stolen files to the online world, the…
Top 19 Kali Linux tools for vulnerability assessments
Kali Linux is a free operating system and helps conduct vulnerability assessments and penetration tests. Kali Linux has many tools that can help with vulnerability assessment and network discovery. There…
Layer 2 vs. Layer 3 Switch: Which One Do You Need?
Generally, a Layer 2 switch is one of the essential equipment used to connect all network and client devices. But for now, layer 3 switch is thriving in data centers,…
Twisted Pair Cables – Everything You Need to Know
Twisted pair copper cabling is the most ubiquitous for Ethernet network and telephone installations. But how much do you know about twisted pair cable? What makes it different from other…