Privacy and security

Learn how to protect your privacy and secure your data.

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Created: 2009-07-30

In English

Common Myths about Private Browsing

Introducing Total Cookie Protection in Standard Mode

Avoid and report Mozilla tech support scams

Enhanced Tracking Protection in Firefox for desktop

Configure DNS over HTTPS protection levels in Firefox

Does Firefox share my location with websites?

Third-party trackers

Protect privacy while using Web Authentication

Automatically fill in credit card and payment method data on Web forms

How do I turn on the Do Not Track feature?

How do I set up Sync on my computer?

HTTPS-Only Mode in Firefox

Delete browsing, search and download history on Firefox

Use a Primary Password to protect stored logins and passwords

Global Privacy Control

Firefox Password Manager - Alerts for breached websites

Pop-up blocker settings, exceptions and troubleshooting

Allow or block media autoplay in Firefox

How does built-in Phishing and Malware Protection work?

How to manage your camera and microphone permissions with Firefox

SmartBlock for Enhanced Tracking Protection

Insecure connection password warning in Firefox

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Automatically trust third-party root certificates

Secure your Mozilla account with two-step authentication

How do I choose what information to sync on Firefox?

Secure website certificate

How to use Firefox containers

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

How to generate a secure password in Firefox

Mixed content blocking in Firefox

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

Telemetry collection and deletion

Share data with Mozilla to help improve Firefox

Search suggestions in Firefox

Site Information panel

My sign in was “blocked for security reasons” on Mozilla account

About Firefox Desktop Attribution

How Firefox securely saves passwords

Autofill logins on Firefox

Why do I get a harmful download message when downloading Firefox on Windows?

How to stop Firefox from making automatic connections

What if I'm locked out of Two-Step Authentication?

Secure Firefox passwords with device sign-in

Site Permissions panel

How Firefox Sync keeps your data safe even if TLS fails

Firefox privacy and security features

Resist Fingerprinting

Block and unblock websites with parental controls on Firefox

How do I know the status of my sync?

Manage your logins with the Firefox Password Manager

Disable Firefox Sync

Total Cookie Protection and website breakage FAQ

How to stay safe on the web

Change your Mozilla account password

Using a Primary Password with Sync

Remove a synced device from your Mozilla account

Browsing history in Firefox - View the websites you have visited

Disable password saving in Firefox

Encrypted Client Hello (ECH) - Frequently asked questions

Unlink your Google or Apple ID from your Mozilla account

Disable Firefox Sync on a lost phone or tablet

How do I share Firefox between people on a computer?

Suspicious activity on my Mozilla account

How is Facebook Container different from Multi-account Containers?

"Certificate cannot be trusted" warning in Kazakhstan

Changing your two-step authentication device for your Mozilla account

My privacy settings were changed from Custom to Standard

Primary Password is replacing Master Password

Telemetry collection - Windows default browser trends

Delete sync data from Firefox by signing out of your Mozilla account

Recommended Firefox privacy and security settings for families

Recommended Firefox extensions for families and students

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Understand Encrypted Client Hello (ECH)

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