Privacy and security

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

Third-party trackers

Avoid and report Mozilla tech support scams

Insecure connection password warning in Firefox

Does Firefox share my location with websites?

Configure DNS over HTTPS protection levels in Firefox

Add Firefox Relay to the Firefox password manager

HTTPS-Only Mode in Firefox

Protect privacy while using Web Authentication

Manage technical and interaction data collection settings in Firefox

Private Browsing - Use Firefox without saving history

How do I set up Sync on my computer?

Introducing Total Cookie Protection in Standard Mode

Pop-up blocker settings, exceptions and troubleshooting

Delete browsing, search and download history on Firefox

Firefox Password Manager - Alerts for breached websites

How to manage your camera and microphone permissions with Firefox

Use a Primary Password to protect stored logins and passwords

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

Global Privacy Control

How do I turn on the Do Not Track feature?

Firefox security features warning on Linux

How does built-in Phishing and Malware Protection work?

Troubleshoot Firefox issues caused by malware

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

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

Firefox connection upgrades - HTTP to HTTPS

Privacy-Preserving Attribution

Automatically trust third-party root certificates

Secure website certificate

How do I choose what information to sync on Firefox?

Mixed content blocking in Firefox

How to use Firefox containers

Site Information panel

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

Resist Fingerprinting

Firefox DNS over HTTPS

Certificate contains the same serial number as another certificate

I found a fake Firefox update

Manage daily usage ping data collection settings in Firefox

How to stop Firefox from making automatic connections

Manage your logins with the Firefox Password Manager

DNS over HTTPS (DoH) FAQs

Search suggestions in Firefox

Autofill logins on Firefox

Share browser windows or your screen with sites you trust

Crash reports in Firefox for Desktop

HTTPS-First upgrades to secure connections

Oblivious HTTP (OHTTP) explained

How Firefox securely saves passwords

Disable Firefox Sync

Total Cookie Protection and website breakage FAQ

SmartBlock for Enhanced Tracking Protection

Site Permissions panel

Recommended Firefox privacy and security settings for families

How to stay safe on the web

How Firefox Sync keeps your data safe even if TLS fails

Browsing history in Firefox - View the websites you have visited

Telemetry collection - Windows default browser trends

Firefox privacy and security features

Disable password saving in Firefox

Understand Encrypted Client Hello (ECH)

Encrypted Client Hello (ECH) - Frequently asked questions

Suspicious activity on my Mozilla account

How do I know the status of my sync?

Change your two-step authentication device for your Mozilla account

Block and unblock websites with parental controls on Firefox

How do I share Firefox between people on a computer?

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

Manage marketing data settings in Firefox for Desktop

Change your Mozilla account password

Remove a synced device from your Mozilla account

How do you use Google Firebase in Firefox?

My privacy settings were changed from Custom to Standard

Data Loss Prevention

Disable Firefox Sync on a lost phone or tablet

Share data with Mozilla to help improve Firefox

About Firefox Desktop Attribution

Firefox Subprocessor List

"Certificate cannot be trusted" warning in Kazakhstan

Telemetry collection and deletion

Compatibility with Exploit protection on Windows

Primary Password is replacing Master Password

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

How Review Checker preserves user privacy

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