Krishi Chowdhary
Krishi is a VPN writer covering buying guides, how-to's, and other cybersecurity content here at Tom's Guide. His expertise lies in reviewing products and software, from VPNs, online browsers, and antivirus solutions to smartphones and laptops. You can find his work on TechRadar, Techopedia, and The Tech Report. As a tech fanatic, Krishi also loves writing about the latest happenings in the world of cybersecurity, AI, and software.
Latest articles by Krishi Chowdhary

Proton Mail to use blockchain to verify recipient's email addresses
By Krishi Chowdhary published
VPN The privacy-focused Proton Mail has announced its new feature, Key Transparency, that will use blockchain to verify email addresses

7 ways VPNs can make your life easier
By Krishi Chowdhary published
VPN VPNs do much more than just anonymize you on the internet; they can access geo-blocked content, save money , keep you safe from DDoS attacks, and so much more.

How to stop Facebook from training its AI on your data
By Krishi Chowdhary published
VPN In an attempt to crank up its users' rights to privacy, Meta has provided a way to opt out of its AI training models – here's how to find it.

Why you need to use a VPN on public Wi-Fi
By Krishi Chowdhary last updated
VPN Public Wi-Fi services may seem like a great perk, but without the security of a VPN you risk becoming easy bait for criminal operators.

The benefits of using a VPN for remote work and business
By Krishi Chowdhary published
VPN Consumer VPNs are hugely popular, helping us to avoid snoopers and bypass blocks – but how do they apply to the wider world of business and its unique security challenges? Let's find out.

VPN vs. Firewall – what's the difference?
By Krishi Chowdhary published
VPN With so many threats lurking online, it's important to have the right privacy-enhancing tools at hand – but should you go for a VPN or a firewall?

What is a dark web scan, and should I use one?
By Krishi Chowdhary published
Dark web scans can prevent your details from falling into the hands of cybercriminals – but are they trustworthy? Let's find out.

How to test your VPN connection for leaks and security
By Krishi Chowdhary published
VPN VPNs aren't perfect, and a leak could put your digital security in jeopardy. Here's how you can test for them.

The pros and cons of using a free VPN
By Krishi Chowdhary published
VPN Free VPNs are convenient, but are they worth it? Here, we run down the pros and cons of using free providers to help you choose what's right for you.

What is a Double VPN and how does it work?
By Krishi Chowdhary published
VPN Having a VPN that offers Double VPN is great if you're looking for the ultimate in protection. Here's all you need to know.
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