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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

Insecure connection password warning in Firefox

Third-party trackers

Configure DNS over HTTPS protection levels in Firefox

Private Browsing on Firefox for Android

Does Firefox share my location with websites?

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

Add Firefox Relay to the Firefox password manager

Choose a strong password

Global Privacy Control

Private Browsing in Firefox for iOS

How do I set up Sync on my computer?

Protect privacy while using Web Authentication

Use a Primary Password to protect stored logins and passwords

Firefox Password Manager - Alerts for breached websites

Introducing Total Cookie Protection in Standard Mode

Pop-up blocker settings, exceptions and troubleshooting

Remote Content in Messages

Enhanced Tracking Protection in Firefox for Android

Pocket website cookies FAQ

How does built-in Phishing and Malware Protection work?

Enhanced Tracking Protection in Firefox for iOS

HTTPS-Only Mode in Firefox for Android

Troubleshoot Firefox issues caused by malware

Mozilla Monitor - Frequently asked questions

Privacy-Preserving Attribution

Private Browsing - Use Firefox without saving history

How to set up Firefox Sync in Firefox for Android

Automatically trust third-party root certificates

How to manage your camera and microphone permissions with Firefox

Delete browsing, search and download history on Firefox

How do I turn on the Do Not Track feature?

How do I choose what information to sync on Firefox?

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

Secure website certificate

Password Manager - Remember, delete and change passwords in Thunderbird

Resist Fingerprinting

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How to use Firefox containers

Mixed content blocking in Firefox

Introduction to End-to-end encryption in Thunderbird

Site Information panel

HTTPS-Only Mode in Firefox

I found a fake Firefox update

OpenPGP in Thunderbird - HOWTO and FAQ

DNS over HTTPS (DoH) FAQs

Firefox privacy and security features

HTTPS-First upgrades to secure connections

Oblivious HTTP (OHTTP) explained

How to stop Firefox from making automatic connections

Clear browsing history in Firefox for iOS

Setup your email account for using End-To-End Encryption

Autofill logins on Firefox

Browsing history in Firefox - View the websites you have visited

How to opt out of studies on Firefox Focus for Android

Share browser windows or your screen with sites you trust

Firefox DNS over HTTPS

How do I change my DNS settings?

How does Firefox for Android use the permissions it requests?

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

Protect your Thunderbird passwords with a Primary Password

Search suggestions in Firefox

Firefox Focus for Android - Frequently asked questions

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

Send usage data on Firefox mobile browsers

Manage your logins with the Firefox Password Manager

How Firefox Sync keeps your data safe even if TLS fails

Disable Firefox Sync

Site Permissions panel

HTTPS-Only Mode in Firefox Focus for Android

Microsoft OAuth Authentication and Thunderbird in 2024

Set up a passcode and Face ID in Firefox for iOS

How Firefox securely saves passwords

Change your two-step authentication device for your Mozilla account

Thunderbird Telemetry

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Getting started with Thunderbird for Android

Certificate contains the same serial number as another certificate

Protect your container tabs with Mozilla VPN

Is Mozilla VPN free?

Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN

Recommended Firefox privacy and security settings for families

Get started with Mozilla Monitor

How does Monitor Plus work?

Clear your browsing history in Firefox for Android

Safari Integration in Firefox iOS

Mask your phone number with Relay Phone Masking

Encrypted Client Hello (ECH) - Frequently asked questions

Firefox connection upgrades - HTTP to HTTPS

Disable Firefox Sync on a lost phone or tablet

How to stay safe on the web

Tracking Protection on Firefox Focus for iOS

Remove a synced device from your Mozilla account

Firefox Subprocessor List

How do I turn on Mozilla VPN?

Create an email mask through Firefox Relay

OpenPGP Recipient Alias Configuration

Use Multi-Account Containers with Mozilla VPN

Firefox Relay - Email and Phone masks

Total Cookie Protection and website breakage FAQ

Mozilla VPN - FAQ

Disable password saving in Firefox

How do I monitor multiple email addresses?

Change your Mozilla account password

About Firefox Desktop Attribution

Add trusted websites to your allow list in Firefox Focus

How do I know the status of my sync?

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

Activate Firefox Relay - Mask your email address

What is Mozilla VPN and how does it work?

How to opt out of studies on Firefox Focus for iOS

What to do after a data breach

Understand Encrypted Client Hello (ECH)

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

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

Thunderbird Android Telemetry

Block and unblock websites with parental controls on Firefox

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

Suspicious activity on my Mozilla account

Open a new private tab in Firefox Focus for Android

Clear your cache without clearing your browsing history

How do you use Google Firebase in Firefox?

Telemetry collection - Windows default browser trends

Primary Password is replacing Master Password in Thunderbird

What information does Mozilla VPN collect?

Exclude applications from Mozilla VPN protection

Install the Firefox Relay extension on Google Chrome

Prerequisite for sending an encrypted email message

How do I block phone calls or texts to my Relay Phone mask?

Resolve breaches with Mozilla Monitor

Relay Phone Masking FAQ

Get started with Monitor Plus

Data broker scan

Data Loss Prevention

Using OpenPGP secret keys that advertise features that are not supported by Thunderbird

Monitor status indicators

Crash reports in Firefox for Desktop

Firefox security features warning on Linux

Share data with Mozilla to help improve Firefox

How do I share Firefox between people on a computer?

How do I enable the Firefox OS phone lock?

Share your Android device with a Firefox Guest Session

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?

Thunderbird and Logjam

Keep Private Browsing tabs open after exiting Firefox

Block cookies in Firefox Focus for Android

Private Browsing in Firefox Lite

Firefox Monitor

How do you use Adjust in Firefox?

Safe browsing in Firefox Focus

Tracking Protection in Firefox Preview

"Certificate cannot be trusted" warning in Kazakhstan

Firefox Lite - What vendors do you use that could receive my data?

Telemetry collection and deletion

My privacy settings were changed from Custom to Standard

Compatibility with Exploit protection on Windows

Primary Password is replacing Master Password

Disable email forwarding - Stop receiving emails sent through your masks

Grant camera access to Firefox for Android

Use Web Apps with Firefox for Android

SmartBlock for Enhanced Tracking Protection

How do I reset Mozilla VPN?

Use labels to keep your masks organized in Firefox Relay

Usage Data Changes for Firefox for iOS and Android

What to do after you have subscribed to Mozilla VPN

Install the Firefox Relay extension on Firefox for desktop

Quickly access previously generated masks

Unsafe properties of OpenPGP keys might be ignored

What are email trackers and how can I block them with Firefox Relay?

Change site permissions in Firefox Focus for Android

Thunderbird and OpenPGP Alias Keys

OpenPGP keys might be authentic or counterfeit

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Relay Phone Masking - How long can I talk when I get a call?

How does Firefox for iOS use the permissions it requests?

How do I report an issue with Firefox Relay?

How does Firefox Focus for Android use the permissions it requests?

How does Firefox Focus for iOS use the permissions it requests?

How do I change my Privacy features?

General questions about privacy protection scans

How to automatically label your new email masks

Pocket for iOS App privacy information

What permissions does Pocket for Android require and why?

How to upgrade to Monitor Plus?

Global Privacy Control in Firefox for Android

Monthly Monitor Report Email

Generate strong passwords in Firefox for Android

How Review Checker preserves user privacy

Manage daily usage ping data collection settings in Firefox

Securing a New Partner for Monitor Plus

Why does Monitor show me in a data breach for a site I never signed up to?

OpenPGP in Thunderbird for Android - How To

Manage technical and interaction data collection settings in Firefox

Manage marketing data settings in Firefox for Desktop

Mobile - Manage Firefox data collection and privacy settings

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