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

Get the most out of your new Xbox with a gaming VPN
By Olivia Powell last updated
Enhance your gaming experience on the Xbox you got in the Black Friday sales with a VPN

Will a VPN help get the best Cyber Monday deals?
By Krishi Chowdhary last updated
Can a VPN really help you grab better deals this Cyber Monday, and are its IP-spoofing capabilities the biggest advantage for buyers? Here's what you need to know.

How to use Incogni
By Krishi Chowdhary published
We dive deep into how Incogni, one of the best data removal services, works, its pros and cons, and whether you should use it.

Do you need to use a data removal service?
By Krishi Chowdhary published
We explain what a data removal service is, how they work, and whether or not you really need to use one.

Is NordVPN still the best VPN for gaming?
By Krishi Chowdhary published
NordVPN is one of the biggest names in the industry, and its gaming credentials are unquestionable. But is it the best VPN for gaming? Read on to find out.

What is NordVPN's Cyber Insurance?
By Krishi Chowdhary published
Nord's identity theft insurance offers financial help to victims of a cyberattack. What is it, how does it work, and how can you get it?

What can you do to protect yourself from Q-Day?
By Krishi Chowdhary last updated
Quantum computers will soon be able to break the internet and invade our privacy, but post-quantum VPNs present a viable solution

ExpressVPN vs Surfshark: Which provider is best?
By Krishi Chowdhary last updated
Vpn ExpressVPN vs Surfshark is a real David and Goliath battle, but will Surfshark be betrayed by its bargain roots? Read on for our full comparison.

The best Linux VPN
By Krishi Chowdhary last updated
VPN A Linux VPN is the perfect way to upgrade the already-secure operating system – but choosing the right one can be tricky.

What is a router VPN?
By Krishi Chowdhary published
vpn A comprehensive guide to what router VPNs are, what they can be used for, and how they are different from non-router VPNs.

The best Italy VPN
By Krishi Chowdhary last updated
VPN An Italy VPN is perfect for residents and visitors alike – avoid surveillance, access more streaming content, and stay anonymous.

Is NordVPN legit?
By Krishi Chowdhary published
vpn NordVPN is the best VPN service in our testing, and in this article, we round up the top reasons why it's a legit VPN.

How to protect your new laptop
By Olivia Powell last updated
Cyber security Our experts have compiled a list of the top VPNs, antivirus software, and password managers for all-round protection of your new laptop and personal data

What is Surfshark?
By Krishi Chowdhary published
vpn Surfshark is one of the biggest names in the cybersecurity space, but what exactly is it and what can you use it for?

The best ITVX VPN
By Olivia Powell published
VPN We've reviewed dozens of VPNs, and these are the best five if you want to sidestep geo-restrictions on the very popular UK streaming service, ITVX.

NordVPN vs Proton VPN: which provider is best?
By Krishi Chowdhary published
vpn How does Proton VPN match up against the best service in the world? Read our in-depth look at NordVPN vs Proton VPN to find out.

What is Surfshark's Alternative ID?
By Krishi Chowdhary published
vpn Surfshark's Alternative ID allows you to shore up your online privacy by creating a fictitious identity for one-off uses.

NordVPN vs Private Internet Access – which provider is best?
By Krishi Chowdhary published
vpn How does PIA match up against the best service in the world? Read our in-depth look at NordVPN vs Private Internet Access to find out.

Best dark web VPN
By Krishi Chowdhary published
VPN The dark web can be just as dangerous as it is secure and anonymous, which is why you need the best dark web VPNs to ensure your safety.

5 VPN red flags to help you spot a dodgy VPN
By Olivia Powell published
vpn It can be hard to know what to look out for when picking a VPN—these are the 5 things to avoid.

NordVPN vs CyberGhost: which provider is best?
By Krishi Chowdhary published
vpn How does CyberGhost VPN match up against the best service in the world? Read our in-depth look at NordVPN vs CyberGhost to find out.

What is a DNS leak and how to prevent it
By Krishi Chowdhary last updated
DNS dangers A DNS leak can ruin your day – and threaten your online security. Here's my quick guide to avoiding them (and why they happen).

The best Xbox VPN
By Krishi Chowdhary published
VPN Whether you want an Xbox VPN to access international game libraries or stay safe from DDoS attacks, check out our expert-selected top 5.
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