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Learn how to protect your privacy and secure your data.

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Common Myths about Private Browsing

Enhanced Tracking Protection in Firefox for desktop

Avoid and report Mozilla tech support scams

Third-party trackers

Insecure connection password warning in Firefox

Does Firefox share my location with websites?

Configure DNS over HTTPS protection levels in Firefox

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

Telemetry collection and deletion

How do I set up Sync on my computer?

Protect privacy while using Web Authentication

Private Browsing - Use Firefox without saving history

Delete browsing, search and download history on Firefox

Firefox Password Manager - Alerts for breached websites

Introducing Total Cookie Protection in Standard Mode

Pop-up blocker settings, exceptions and troubleshooting

How to manage your camera and microphone permissions with Firefox

Secure your Mozilla account with two-step authentication

HTTPS-Only Mode in Firefox

Use a Primary Password to protect stored logins and passwords

How do I turn on the Do Not Track feature?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Global Privacy Control

How does built-in Phishing and Malware Protection work?

Automatically trust third-party root certificates

Troubleshoot Firefox issues caused by malware

Privacy-Preserving Attribution

How do I choose what information to sync on Firefox?

SmartBlock for Enhanced Tracking Protection

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

Mixed content blocking in Firefox

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

Secure website certificate

Search suggestions in Firefox

How to use Firefox containers

DNS over HTTPS (DoH) FAQs

I found a fake Firefox update

Firefox DNS over HTTPS

Site Information panel

How Firefox securely saves passwords

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

Resist Fingerprinting

How to stop Firefox from making automatic connections

Share data with Mozilla to help improve Firefox

Secure Firefox passwords with device sign-in

Manage your logins with the Firefox Password Manager

Total Cookie Protection and website breakage FAQ

Site Permissions panel

Firefox privacy and security features

Firefox connection upgrades - HTTP to HTTPS

Change your Mozilla account password

How Firefox Sync keeps your data safe even if TLS fails

Browsing history in Firefox - View the websites you have visited

Disable Firefox Sync

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

Disable password saving in Firefox

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

Remove a synced device from your Mozilla account

How do I know the status of my sync?

Understand Encrypted Client Hello (ECH)

Encrypted Client Hello (ECH) - Frequently asked questions

Block and unblock websites with parental controls on Firefox

How do I share Firefox between people on a computer?

How to stay safe on the web

About Firefox Desktop Attribution

Autofill logins on Firefox

Telemetry collection - Windows default browser trends

Unlink your Google or Apple ID from your Mozilla account

Disable Firefox Sync on a lost phone or tablet

Suspicious activity on my Mozilla account

How do you use Google Firebase in Firefox?

Firefox Subprocessor List

"Certificate cannot be trusted" warning in Kazakhstan

Change your two-step authentication device for your Mozilla account

My privacy settings were changed from Custom to Standard

Primary Password is replacing Master Password

Recommended Firefox privacy and security settings for families

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

HTTPS-First upgrades to secure connections

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