Privacy and security

Learn how to protect your privacy and secure your data.

In English

Common Myths about Private Browsing

Avoid and report Mozilla tech support scams

Enhanced Tracking Protection in Firefox for desktop

Does Firefox share my location with websites?

Third-party trackers

Private Browsing on Firefox for Android

Private Browsing in Firefox for iOS

Configure DNS over HTTPS protection levels in Firefox

Insecure connection password warning in Firefox

Enhanced Tracking Protection in Firefox for Android

Choose a strong password

Pop-up blocker settings, exceptions and troubleshooting

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

Introducing Total Cookie Protection in Standard Mode

How do I turn on the Do Not Track feature?

HTTPS-Only Mode in Firefox

Protecting Privacy while using Web Authentication

Delete browsing, search and download history on Firefox

Private Browsing - Use Firefox without saving history

Privacy-Preserving Attribution

Global Privacy Control

Microsoft OAuth Authentication and Thunderbird in 2024

Remote Content in Messages

Secure your Mozilla account with two-step authentication

Mozilla Monitor - Frequently asked questions

How does built-in Phishing and Malware Protection work?

HTTPS-Only Mode in Firefox for Android

Use a Primary Password to protect stored logins and passwords

How do I set up Sync on my computer?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How to manage your camera and microphone permissions with Firefox

Automatically trust third-party root certificates

Enhanced Tracking Protection in Firefox for iOS

Allow or block media autoplay in Firefox

Mixed content blocking in Firefox

Secure website certificate

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

How do I choose what information to sync on Firefox?

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

Search suggestions in Firefox

Password Manager - Remember, delete and change passwords in Thunderbird

Introduction to End-to-end encryption in Thunderbird

Clear browsing history in Firefox for iOS

How Firefox securely saves passwords

Telemetry collection and deletion

How to use Firefox containers

Turn on/off saved logins, login sync and login autofill in Firefox for Android

Clear your browsing history in Firefox for Android

SmartBlock for Enhanced Tracking Protection

Encrypted Client Hello (ECH) - Frequently asked questions

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

Disable Firefox Sync

OpenPGP in Thunderbird - HOWTO and FAQ

Clear your browsing history and other personal data on Firefox for Android

Create secure passwords to keep your identity safe

Sync bookmarks, logins and browsing history on Firefox for iOS

Site Information panel

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

How to stop Firefox from making automatic connections

Disable Firefox Sync on a lost phone or tablet

Autofill logins on Firefox

Activate Firefox Relay - Mask your email address

Total Cookie Protection and website breakage FAQ

How to stay safe on the web

Set up a passcode and Face ID in Firefox for iOS

Manage your logins with the Firefox Password Manager

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

Clear cookies and website data for a single domain in Firefox for Android

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

Data broker scan

Send usage data on Firefox mobile browsers

How do I know the status of my sync?

Firefox Password Manager - Alerts for breached websites

Browsing history in Firefox - View the websites you have visited

How to generate a secure password in Firefox

Secure Firefox passwords with device sign-in

Resolve breaches with Mozilla Monitor

Unlink your Google or Apple ID from your Mozilla account

Protect your Thunderbird passwords with a Primary Password

Keep Private Browsing tabs open after exiting Firefox

Remove a synced device from your Mozilla account

How Firefox Sync keeps your data safe even if TLS fails

Changing your two-step authentication device for your Mozilla account

Use Web Apps with Firefox for Android

Firefox privacy and security features

Recommended Firefox privacy and security settings for families

Recommended Firefox extensions for families and students

Disable password saving in Firefox

Firefox accounts renamed Mozilla accounts - What you need to know

Understand Encrypted Client Hello (ECH)

Instructions for obtaining a personal S/MIME certificate by creating a CSR

Block and unblock websites with parental controls on Firefox

Share data with Mozilla to help improve Firefox

Customize Firefox Home on iOS

Suspicious activity on my Mozilla account

Using a Primary Password with Sync

Mozilla account - Managing account data

How do you use Adjust in Firefox?

How to set up Firefox Sync in Firefox for Android

Create an email mask through Firefox Relay

Primary Password is replacing Master Password in Thunderbird

Site Permissions panel

OpenPGP Recipient Alias Configuration

Usage Data Changes for Firefox for iOS and Android

Search your browsing history in Firefox for iOS

How does Firefox for iOS use the permissions it requests?

Global Privacy Control in Firefox for Android

How do I share Firefox between people on a computer?

How do I enable the Firefox OS phone lock?

Master password requested but not set Redirect 1

Certificates

Why does Thunderbird warn me that my server don't use encryption?

Digitally Signing and Encrypting Messages

How Thunderbird’s scam detection works?

How can I digitally sign and encrypt emails?

Change your Mozilla account password

About Firefox Desktop Attribution

How is Facebook Container different from Multi-account Containers?

Firefox Monitor

Tracking Protection in Firefox Preview

"Certificate cannot be trusted" warning in Kazakhstan

My privacy settings were changed from Custom to Standard

Primary Password is replacing Master Password

Telemetry collection- Windows default browser trends

Disable email forwarding - Stop receiving emails sent through your masks

Grant camera access to Firefox for Android

What to do after a data breach

Unsafe properties of OpenPGP keys might be ignored

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

How do I monitor multiple email addresses?

Monthly Monitor Report Email

Generate strong passwords in Firefox for Android

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