Verified Boot: Your Chromebook's Built-in Guardian
Your Chromebook has a powerful security feature called Verified Boot. It automatically checks for tampering every time you switch on your device, ensuring it starts securely.
- Understand that Verified Boot is always active on your Chromebook and cannot be turned off.
- Recognise that if tampering is detected, your Chromebook will attempt to repair itself automatically.
- Be aware of a "Chrome OS is missing or damaged" message; this indicates a potential issue that Verified Boot has identified. Follow the on-screen instructions.
- Avoid developer mode unless you fully understand the security implications, as it bypasses some of Verified Boot's protections.
Good to know
Verified Boot is a fundamental security layer that works silently in the background to protect your device.
Synchronisation Settings: What to Share and How
Chromebooks offer handy synchronisation features, but it's important to manage what data is shared across your devices to maintain privacy and security.
- Navigate to your Chromebook's settings by clicking the time in the bottom right corner, then selecting the cog icon.
- In the settings menu, search for
Sync and Google services. - Click on
Manage what you sync. - Here, you can choose to
Sync everythingor customise what data is synchronised, such as history, bookmarks, passwords, and open tabs. - Consider turning off synchronisation for sensitive data if you share your Google account across multiple devices or prefer to keep certain information localised.
Tip
Regularly review your sync settings, especially if you add a new device or change your sharing habits.
Safe Browsing: Keeping Threats at Bay
Google Chrome's Safe Browsing feature helps protect you from malicious websites and downloads. Ensure it's enabled and understand its various protection levels.
- Open your Chrome browser and go to
Settings(the three vertical dots in the top right, thenSettings). - In the left-hand menu, click on
Privacy and security, then selectSecurity. - Under
Safe Browsing, make sure it is set to eitherEnhanced protectionorStandard protection. Enhanced protection offers the highest level of security. - Understand that Enhanced protection checks for unsafe sites and downloads in real-time, offering proactive defence.
- Be cautious of warnings from Safe Browsing; if it flags a site, it's best to avoid it.
Important
Never ignore Safe Browsing warnings, as they are designed to prevent you from encountering phishing, malware, and other online threats.
Practising Good Digital Hygiene
Beyond settings, your daily habits play a crucial role in maintaining your Chromebook's security. Adopt these practices for a safer online experience.
- Use strong, unique passwords for all your online accounts and consider a password manager.
- Enable two-factor authentication (2FA) wherever possible for an extra layer of security.
- Be wary of suspicious emails (phishing) and unsolicited messages; never click on unfamiliar links or download unexpected attachments.
- Keep your Chrome OS updated by regularly checking for and installing system updates via
Settings > About Chrome OS > Check for updates. - Only download apps from the Google Play Store or the Chrome Web Store, and always check app permissions before installing.
- Lock your Chromebook when you step away from it by pressing
Shift + Search + L, or simply closing the lid.
Tip
Consistent good digital hygiene is your best defence against a wide range of cyber threats, reinforcing your device's built-in security.
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JD
Written by
Jordan DicksonFounder, CyberSecurityGuides
Founder of CyberSecurityGuides, writing practical, jargon-free guides that help everyday people recover from and protect against online attacks.
Reviewed by CSG Security Engineers