Sydney Butler

Sydney Butler has a formal background in research psychology, with a particular focus on how technology affects us as individuals and society. He writes about technology broadly, but is an advocate for personal freedom and privacy. He has extensive experience as a digital literacy teacher and believes strongly in public education on topics such as cyber security, privacy, surveillance and freedom of speech. Contact at - contact@technadu.com
279 articles

What Is SDP – Software Defined Perimeter?

Traditionally, networks are mapped by their physical structure. Every router, switch, port, and device has a digital identity that corresponds with its physical location...

What is Zero Trust Network Access (ZTNA) and Why Does it Matter?

Security is not something that's simply tacked on to an existing system. It's a fundamental aspect of that system's design. This is especially true...

Here’s What We Know About Kilos, the Biggest Dark Web Market

One of the most infamous sites on the Dark Web was a search engine known as "Grams." Launched in 2014, Grams allowed users to search...

7 Common Dark Web Myths You Should Know!

While most regular internet users have probably heard of the Dark Web, few really know that it’s truly like. The Dark Web has been portrayed as...

Can the Dark Web Be Searched? Find Out How to Reach It

The Dark Web might sound like an internet urban legend, but it’s a real place. A part of the internet that really is shrouded in...

Why Is the Shodan Search Engine Potentially Dangerous?

Shodan has been called "the most dangerous search engine in the world." That's a pretty strong claim, but why on earth would a search...

What Makes the Shodan Search Engine Special?

Ever so often, there's some new technology boogeyman that gets news agencies up in arms. Shodan seems to be one of these and has...

What Is the Contract for the Web?

Even though for many of us it may feel like the internet has always been around, the technology is relatively immature. The internet may...

Will VPNs Survive Quantum Decryption?

The standard encryption used by websites and online services these days is pretty much impossible to crack. You can rope together every single supercomputer...