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Privacy and security

Firefox

Privacy and security

Learn how to protect your privacy and secure your data.

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Enhanced Tracking Protection in Firefox for desktop

How Private Windows protect you

Use built-in VPN in Firefox

Troubleshoot network errors when TLS key logging is enabled

Private Browsing - Use Firefox without saving history

Avoid and report Mozilla tech support scams

Firefox Terms of Use FAQ

Unable to find the built-in VPN in Firefox

Third-party trackers

Does Firefox share my location with websites?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Manage remote improvements settings in Firefox

Add Firefox Relay to the Firefox password manager

How do I set up Sync on my computer?

Configure DNS over HTTPS protection levels in Firefox

Firefox Password Manager - Alerts for breached websites

Pop-up blocker settings, exceptions and troubleshooting

Control personal device and local network permissions in Firefox

How to use Firefox containers

Global Privacy Control

Delete browsing, search and download history on Firefox

Secure website certificate

Manage technical and interaction data collection settings in Firefox

Use a Primary Password to protect stored logins and passwords

How to manage your camera and microphone permissions with Firefox

Manage Enhanced Tracking Protection exceptions

How do I turn on the Do Not Track feature?

HTTPS-Only Mode in Firefox

How does built-in Phishing and Malware Protection work?

SmartBlock for Enhanced Tracking Protection

Insecure connection password warning in Firefox

Introducing Total Cookie Protection in Standard Mode

Firefox security features warning on Linux

Manage daily usage ping data collection settings in Firefox

I found a fake Firefox update

Firefox connection upgrades - HTTP to HTTPS

Troubleshoot Firefox issues caused by malware

Search suggestions in Firefox

Use breach alerts in Firefox

Manage marketing data settings in Firefox for Desktop

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

Mixed content blocking in Firefox

Firefox DNS over HTTPS

Share browser windows or your screen with sites you trust

Protect privacy while using Web Authentication

Change your Mozilla account password

Automatically trust third-party root certificates

Site Information panel

Total Cookie Protection and website breakage FAQ

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

Resist Fingerprinting

How to stop Firefox from making automatic connections

Mozilla service providers and partners

Autofill logins on Firefox

Disable Firefox Sync on a lost phone or tablet

Manage your logins with the Firefox Password Manager

Browsing history in Firefox - View the websites you have visited

Oblivious HTTP (OHTTP) explained

Disable password saving in Firefox

Crash reports in Firefox for Desktop

How to stay safe on the web

Recommended Firefox privacy and security settings for families

Certificate contains the same serial number as another certificate

Suspicious activity on my Mozilla account

Remove a synced device from your Mozilla account

How Firefox securely saves passwords

DNS over HTTPS (DoH) FAQs

Automatically fill in credit and debit card payment methods data on web forms

Site Permissions panel

Firefox privacy and security features

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

How do I choose what information to sync on Firefox?

How Firefox Sync keeps your data safe even if TLS fails

Change your two-step authentication device for your Mozilla account

Block deceptive content and dangerous downloads in Firefox

Understand Encrypted Client Hello (ECH)

Block and unblock websites with parental controls on Firefox

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

How do I share Firefox between people on a computer?

About Firefox Desktop Attribution

How do I know the status of my sync?

"Certificate cannot be trusted" warning in Kazakhstan

Disable Firefox Sync

Telemetry collection and deletion

My privacy settings were changed from Custom to Standard

Compatibility with Exploit protection on Windows

Telemetry collection - Windows default browser trends

Sponsors on the home page and New Tab page

Disable credit card and payment method syncing across devices

Encrypted Client Hello (ECH) - Frequently asked questions

Data Loss Prevention

Privacy-Preserving Attribution

HTTPS-First upgrades to secure connections

Understand unexpected script warnings in Firefox

Firefox Homepage Lift Studies

Harmful add-on protection

Statistics for Firefox Homepage Sponsors

Let websites notify you while Firefox is closed

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