Avast Internet Security

The smartest online protection for your PC.

Ongoing protection available 30-day money-back guarantee Download trial

For those that want deeper privacy protection

Tweet to your heart’s content, shop, or bank safely and ‘like’ – well, anything you like. Internet Security’s intelligent threat-detection keeps your identity safe online, and now adds an an extra layer of anti-ransomware protection for your most important files and photos.

Avast scam emails spotting

NEWKeep hostage-takers off your files

Avast data protection

Avoid fake websites

Avast scam emails spotting

Spot scam emails

Avast firewall

Firewall your data

Take a look inside

Internet Security offer many layers of protection to keep you safe and your devices running smoothly. All of the advanced features below are included in your Internet Security software.

Firewall

Keep hackers on the other side of the wall with this essential security feature that monitors and controls what goes in and out of your computer.

Anti-spam

Dodge spam and other malicious content, so you can focus on the emails that truly matter.

Real Site

Protect yourself from hackers who attempt to hijack your DNS (Domain Name System) settings, redirect you to fake sites and steal your banking details.

Wi-Fi Inspector

Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network.

Intelligent Antivirus

Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you.

CyberCapture

Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it's a threat.

Behavior Shield

Spot and block suspicious behavior patterns for zero-second protection against unknown threats and ransomware.

Smart Scan

Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software.

NEWRansomware Shield

Block ransomware and other untrusted apps from changing, deleting, or encrypting your personal photos and files.

Sandbox

Test and play with suspicious files in a safe environment before you let them run on your computer, making sure they don’t wreak havoc on your PC.

SafeZone Browser

Surf & shop safely, without having to install or configure any add-ons. Our broswer comes with all the privacy and security features you need.

Passwords

Lock all your accounts with one secure password. We’ll manage the rest of them for you, so you can log in quickly and securely.

Passive Mode

Want to use another antivirus but still enjoy Avast features? Put us in passive mode: we'll still be there when you need us.

Game Mode

Put notifications on hold automatically to make the most out of your gaming sessions, or any other full-screen experience.

Browser Cleanup

Rid your browser of toolbars, add-ons and other extensions that were installed without you noticing.

Avast Account

All your Avast-protected devices in one handy place. Manage your licenses, locate your mobile devices, and stay super-organised the easy way.

In-product support

Having trouble with your Avast? You don’t have to search far and wide to get help. Just send us a message from your very own Internet Security.

System requirements

* Both the 32- and 64-bit versions, excluding Starter and RT editions.

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