Privacy and security

Learn how to protect your privacy and secure your data.

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Use built-in VPN in Firefox

Common Myths about Private Browsing

Firefox Terms of Use FAQ

Avoid and report Mozilla tech support scams

Insecure connection password warning in Firefox

Enhanced Tracking Protection in Firefox for desktop

Third-party trackers

Does Firefox share my location with websites?

Add Firefox Relay to the Firefox password manager

Configure DNS over HTTPS protection levels in Firefox

Pop-up blocker settings, exceptions and troubleshooting

Use a Primary Password to protect stored logins and passwords

Delete browsing, search and download history on Firefox

How to manage your camera and microphone permissions with Firefox

How do I set up Sync on my computer?

Firefox security features warning on Linux

HTTPS-Only Mode in Firefox

Introducing Total Cookie Protection in Standard Mode

Manage technical and interaction data collection settings in Firefox

How does built-in Phishing and Malware Protection work?

How do I turn on the Do Not Track feature?

Search suggestions in Firefox

Protect privacy while using Web Authentication

Secure website certificate

Unable to find the built-in VPN in Firefox

Private Browsing - Use Firefox without saving history

Manage daily usage ping data collection settings in Firefox

Firefox connection upgrades - HTTP to HTTPS

How do I tell if my connection to a website is secure?

Automatically trust third-party root certificates

How to use Firefox containers

Troubleshoot Firefox issues caused by malware

Manage marketing data settings in Firefox for Desktop

Why are some add-ons not allowed on sites restricted by Mozilla?

Resist Fingerprinting

I found a fake Firefox update

SmartBlock for Enhanced Tracking Protection

Control personal device and local network permissions in Firefox

Mixed content blocking in Firefox

Share browser windows or your screen with sites you trust

How Firefox securely saves passwords

How do I choose what information to sync on Firefox?

DNS over HTTPS (DoH) FAQs

Sponsors on the home page and New Tab page

Manage Enhanced Tracking Protection exceptions

Firefox DNS over HTTPS

Browsing history in Firefox - View the websites you have visited

Sign in to a Mozilla account using 3rd-party authentication

How to stop Firefox from making automatic connections

Site Information panel

Change your Mozilla account password

Manage your logins with the Firefox Password Manager

Mozilla service providers and partners

Disable Firefox Sync

Oblivious HTTP (OHTTP) explained

Remove a synced device from your Mozilla account

Disable Firefox Sync on a lost phone or tablet

Recommended Firefox privacy and security settings for families

Encrypted Client Hello (ECH) - Frequently asked questions

How do I know the status of my sync?

Total Cookie Protection and website breakage FAQ

Firefox privacy and security features

Understand Encrypted Client Hello (ECH)

Block and unblock websites with parental controls on Firefox

Certificate contains the same serial number as another certificate

How do I share Firefox between people on a computer?

How to stay safe on the web

How Firefox Sync keeps your data safe even if TLS fails

Telemetry collection - Windows default browser trends

Site Permissions panel

Privacy-Preserving Attribution

Harmful add-on protection

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

Suspicious activity on my Mozilla account

About Firefox Desktop Attribution

"Certificate cannot be trusted" warning in Kazakhstan

Autofill logins on Firefox

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Change your two-step authentication device for your Mozilla account

Firefox Password Manager - Alerts for breached websites

Telemetry collection and deletion

My privacy settings were changed from Custom to Standard

Compatibility with Exploit protection on Windows

Automatically fill in credit or debit card payment method data on Web forms

Disable password saving in Firefox

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Global Privacy Control

Data Loss Prevention

How Review Checker preserves user privacy

Crash reports in Firefox for Desktop

HTTPS-First upgrades to secure connections

Understand unexpected script warnings in Firefox

Firefox Homepage Lift Studies

Manage remote improvements settings in Firefox

Statistics for Firefox Homepage Sponsors

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