Security built in

Chromebooks run the first consumer operating system designed from the ground up to defend against the ongoing threat of malware and viruses. They employ the principle of "defense in depth" to provide multiple layers of protection, including sandboxing, data encryption, and verified boot.



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Security built into Chromebooks from the beginning

In today's world, any website - even well-known, legitimate ones - may be infected with malware. Just by visiting an infected web page, ordinary computers can get infected as well. Malware can exploit flaws in your browser to steal passwords, personal data, and financial information. It happens to millions of people without their knowledge.

Chromebooks use the first operating system designed with this ongoing threat in mind. It uses the principle of "defense in depth" to provide multiple layers of protection, so if any one layer is bypassed, others are still in effect. So while it's still important to take precautions to protect your data, Chromebooks let you breathe just a little bit easier.
Automatic Updates

The most effective way to protect yourself from malware is to make sure all of the software on your computer is up to date and has the latest security fixes. This can be difficult to manage on traditional operating systems with many software components from many vendors all with different update mechanisms and user interfaces. Chromebooks manage updates for you automatically so you are always running the latest and most secure version.
Sandboxing

On your Chromebook, each web page and application you visit runs in a restricted environment called a "sandbox." So if you visit an infected page, it can’t affect the other tabs or apps on your computer, or anything else on your machine. The threat is contained.
Verified Boot

Even if malware manages to escape the sandbox, your Chromebook is still protected. Every time you boot the computer, it does a self check called Verified Boot. If it detects that your system has been tampered with, or corrupted in any way, typically it will repair itself without you lifting a finger. You will always be able to get back to an operating system that’s as good as new.
Data Encryption

When you use web apps on your Chromebook, all your documents are stored safely in the cloud. But certain kinds of files, like downloads, cookies, and browser cache files, may still be present on your computer. Your Chromebook encrypts all this data using tamper-resistant hardware, making it very difficult for anyone to access those files.
Recovery

If anything goes wrong with your Chromebook you can simply push a button to enter the hardware-backed recovery mode and restore the operating system to a known good version.
Guest Mode

With Guest Mode, you can let friends use your Chromebook without signing in. They can use the web freely, but they won’t be able to access your email or other data. And once they sign off, all their browsing data is permanently erased from your computer.

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