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

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 in 2025
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 in 2025
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.

Free vs. paid VPNs: which should you choose
By Krishi Chowdhary, Mo Harber-Lamond last updated
VPN Free vs paid VPNs: it's a question on everyone's lips, and here we'll outline the differences, and what you may sacrifice to save some cash.

The best Brazil VPN in 2025
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.

How to install a VPN on iPhone
By Krishi Chowdhary published
VPN Getting your iPhone VPN up and running only takes a few taps. Here's everything you need to know, and a simple step-by-step guide.

A beginner's guide to VPNs
By Olivia Powell published
Tom's Guide experts tell you what VPNs are, what they are used for, and what the best beginner VPN is

How to protect your child online in 2025
By Olivia Powell published
Cyber security Tom's Guide experts present you with the top software to keep your child safe online

The best apps to keep your computer safe in 2025
By Olivia Powell published
Cyber security Tom's Guide experts have compiled a list of the top 3 VPNs, antivirus software, and password managers for all-round protection of your new computer

Three awesome Asian games you need a VPN to play
By Olivia Powell 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 protect your child on their new laptop
By Olivia Powell published
Protect your child Tom's Guide experts have compiled a list of the top three VPNs, antivirus software, password managers, and parental control apps for all-round protection of your child's new laptop.

How to protect your new tablet
By Olivia Powell published
Black Friday deals Our experts have compiled a list of the top three VPNs, antivirus software, and password managers for all-around protection of your new tablet and yourself

How to protect your new phone
By Olivia Powell published
Cyber security Tom's Guide experts have compiled a list of the top 3 VPNs, antivirus software, and password managers for all-around protection of your new phone

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.

How to protect your child on their new tablet
By Olivia Powell published
Protect your child Tom's Guide experts have compiled a list of the top three VPNs, antivirus software, password managers, and parental control apps for all-round protection of your child's new tablet.

The best VPN for Myanmar
By Olivia Powell published
VPN A Myanmar VPN is essential to stay safe from the government's surveillance and restrictions – but not every provider works. Here are the very best VPNs for Myanmar.

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.

Ransomware is more efficient than ever, and baddies are still after your info
By Krishi Chowdhary published
vpn Ransomware attacks have increased by as much as 105% in 2023. Read on to find out more alarming ransomware trends.

8 countries with the strictest VPN laws
By Krishi Chowdhary published
vpn Not all countries allow VPN use within their borders. Here are the 8 major countries where VPNs are illegal or under heavy surveillance.

How to protect your child on their new PlayStation
By Olivia Powell published
Protect your child Gaming VPNs will protect your child from DDoS attacks and ISP throttling and anonymize them on the internet.

How to remove your personal data from Google
By Krishi Chowdhary published
vpn Many internet users have undesirable information available on the internet – here's our guide on how to get your data removed from Google searches.
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