Ruheni Mathenge

Tech researcher and writer with a passion for cybersecurity. Alex is a strong advocate of digital freedom and online privacy.

IPv4 vs IPv6: The differences between two that you should know today

Ruheni Mathenge Last Updated: January 2, 2023
An Internet Protocol (IP) address is a set of numbers that enables computers and other devices to communicate on the…
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What is Network Address Translation (NAT) firewall and is it necessary?

Ruheni Mathenge Last Updated: September 14, 2022
NAT is a method of modifying an IP address by changing the information in the IP header. This enables several…
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What is a VPN kill switch, and who needs it today

Ruheni Mathenge Last Updated: January 16, 2023
Suppose you’re a VPN user on any device of your choice (phone, tablet, or computer). What happens if, for whatever…
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What is a VPN tunnel, and how it works?

Ruheni Mathenge Last Updated: September 11, 2022
The increasing regulations and censorship are threatening internet freedom around the world. At the same time, there has been a…
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Perfect forward secrecy: What it is, how it works, all about it

Ruheni Mathenge Last Updated: September 14, 2022
Any data transmitted online remains vulnerable to unauthorized interception or even download. This can include personal or sensitive data like…
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Onion over VPN: All about it, and is it better for online privacy?

Ruheni Mathenge Last Updated: September 11, 2022
Clearly, people keep seeking better ways to improve their online privacy. There are many reasons for this, such as government…
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The top 5 VPNs for Russia in 2023

Ruheni Mathenge Last Updated: December 31, 2022
Suppose you reside in Russia, or you’ll be there soon for a holiday or business. Or you are outside Russia…
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5 best VPNs for UAE in 2023 (tested to work in Dubai and everywhere)

Ruheni Mathenge Last Updated: December 31, 2022
If you are in a successful business, you will probably end up in Dubai for whatever reason at some point…
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Avast antivirus review: Does it offer sufficient protection in 2023?

Ruheni Mathenge Last Updated: December 31, 2022
Avast will appear among the first results if you do a quick search on the internet for an antivirus. All…
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NordVPN vs Surfshark: See which provider stands out for privacy, speed, and more

Ruheni Mathenge Last Updated: September 11, 2022
A Virtual Private Network (VPN) primarily strengthens your online security and privacy, but it can do much more. However, the…
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