Articles by Mark Gill, Tech Security Writer

Mark is a Tech Security Writer for TechRadar and has been published on Comparitech and IGN. He graduated with a degree in English and Journalism from the University of Lincoln and spent several years teaching English as a foreign language in Spain. The Facebook-Cambridge Analytica data scandal sparked Mark’s interest in online privacy, leading him to write hundreds of articles on VPNs, antivirus software, password managers, and other cybersecurity topics. He recently completed the Google Cybersecurity Certificate, and when he's not studying for the CompTIA Security+ exam, Mark can be found agonizing over his fantasy football team selections, watching the Detroit Lions, and battling bugs and bots in Helldivers 2.

Articles by: Mark Gill

OysterVPN running on various devices, including a TV, tablet, and a mobile.

OysterVPN review - a potential new kid to watch out for

By Mark Gill last updated 20 June 25

VPN reviews Our team of experts put OysterVPN under the microscope, checking out its security tools, speeds, and unblocking power, and how it compares to the industry's top dogs.

Cartoon illustration of multiple smartphones

Are you oversharing? These are the 10 pieces of information you don't want to give away – ranked

By Mark Gill published 28 January 25

Giving away your personal details online is a privacy nightmare waiting to happen. Here's the info you need to keep to yourself.

NordVPN vs Surfshark: which should you get in 2025?

By Mark Gill last updated 17 January 25

VPN I've compared NordVPN and Surfshark to find out which VPN titan comes out on top.

How often should I switch VPN servers?

By Mark Gill published 8 December 24

Today's top VPNs have servers all over the world. How often should switch it up, though, and is there a benefit to changing servers?

Two doctors looking at patient data on digital tablet

Medical records are a constant target of hackers – this is why

By Mark Gill published 6 December 24

Hackers are always hungry for personal data – and that includes our most sensitive medical details. Here's everything you need to know.

A pair of hands holding a white controller in a dark room with colorful neon lights in the background

Your Black Friday console purchase needs Surfshark’s Black Friday VPN deal

By Mark Gill published 28 November 24

Picked up a new gaming console in the sales? Here's why you need Surfshark's Black Friday VPN deal, too.

3 reasons why PIA fell in our best VPN rankings

By Mark Gill published 8 November 24

Private Internet Access slipped out of our top VPN rankings following our recent tests. Here's everything you need to know.

Is it still worth using Proton VPN Free?

By Mark Gill published 7 November 24

Once the best free VPN, now a runner-up – here’s why Proton VPN has slipped in our overall VPN rankings.

How does Surfshark CleanWeb protect you from ads and trackers?

By Mark Gill published 28 September 24

Wondering how Surfshark's CleanWeb ad blocker and tracker protection does its thing? Here's what you need to know.

Tor vs VPN: the web privacy shootout

By Mark Gill last updated 18 September 24

Tor or VPN – which one is the real titan of privacy? I've compared them to find out.

Is your VPN collecting your data?

By Mark Gill published 13 July 24

Is your Virtual Private Network as private as it should be?

ExpressVPN vs CyberGhost: which is better?

By Mark Gill published 20 June 24

VPN battle Can't decide between ExpressVPN and CyberGhost? I've put these two top VPNs head-to-head.

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