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

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.

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.

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?

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.

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.

The best YouTube VPN
By Mo Harber-Lamond, Krishi Chowdhary last updated
Updated Whether you want a YouTube VPN to watch on restricted networks like school or work, or content is blocked where you are, pick from our top 5.

The best Brazil VPN
By Krishi Chowdhary published
VPN Need a Brazil VPN to avoid surveillance and unblock international streaming sites? I've tested the best services out there and compiled my 5 favorites.

Three awesome Asian games you need a VPN to play
By Krishi Chowdhary published
Some games are only available in certain countries, and the only way to access them is with a VPN. Here's our rundown of the best titles not to miss.

Meta’s new AI-enabled Ray-Ban raises privacy concerns
By Krishi Chowdhary published
vpn Meta has introduced a beta version of its new AI-driven Ray-Ban glasses. However, experts have raised several privacy concerns about its data collection policies.

How to opt out of Google Ad Topics for greater privacy
By Krishi Chowdhary published
vpn Tired of personalized Google ads invading your browsing sessions? Here’s how you can opt out of Google Ad Topics for better online privacy.

5 ways smart devices can compromise your privacy
By Krishi Chowdhary published
vpn Smart devices make our lives easier, but they can also be a hub for malicious threat actors. Here are 5 ways these devices can compromise your privacy and security.

How to know you've been hacked on mobile
By Krishi Chowdhary published
vpn Cyber attacks are on the rise and your device can be infiltrated by a malicious third party. Here are 6 ways you can check if your mobile has been hacked.

Mozilla VPN undergoes second security audit
By Krishi Chowdhary published
vpn Mozilla VPN underwent its second security audit. It was conducted by Cure53, and Mozilla fixed all of the vulnerabilities that were found.
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