Passwords and data breaches
Firefox Monitor warns you if your email address has been exposed in an online data breach. See if your information has been exposed, learn how to better protect your online accounts, and get alerted if your email address appears in a new breach.
Check if you have an account that has been compromised in a data breach.
The best way to keep you and your Family, Team, and Business safe online. Go ahead. Forget your passwords.
- Downloads page
- 1Password for Beginners
- Security is not just a feature. It’s our foundation.
- Strong Password Generator
- Security Whitepaper
LastPass manages your passwords and online life, so you don’t have to.
We help you create good passwords and check if they have already been compromised. PasswordSecurity.info was created using the How Secure Is My Password open source script and the Have I Been Pwned? API.
Okta and Randall Degges
PassProtect is a browser plugin that makes it easy for people to discover in real-time if a password they’re using has been exposed in a data breach. With a real time notification, PassProtect quickly alerts users of unsafe passwords so they can take immediate action without compromising privacy. By using k-anonymity, PassProtect ensures no passwords are ever seen, stored, or sent over the network during the checking process. PassProtect is powered by Have I Been Pwned? and is free, open source and secure.
Gibson Research Corporation (GRC)
Generating long, high-quality random passwords is not simple. So here is some totally random raw material, generated just for YOU, to start with.
Privacy that fits in your pocket.
Wire combines strong encryption, a rich feature set and ease-of-use in one app.
Secure email that respects your privacy, brought to you by CERN and MIT scientists.
Better social media
Follow friends and discover new ones among more than 2.2M people. Publish anything you want: links, pictures, text, video. All on a platform that is community-owned and ad-free.
- What is Mastodon?
- A popular instance of Mastodon is mastodon.social
- Mastodon documentation
- Mastodon Blog
- Privacy and the Fediverse (AKA Mastodon, Pleroma, and Friendicas) / Jon Watson
Storing and sharing data
Standard Notes is a safe place for your notes, thoughts, and life’s work.
- Things You Can Do With Standard Notes
- Your unencrypted data never touches a hard drive with Device Storage Encryption
Firefox Send lets you share files with end-to-end encryption and a link that automatically expires. So you can keep what you share private and make sure your stuff doesn’t stay online forever.
FileSend secures files with client-side AES-256 encryption and does not log IP addresses. Files are permanently deleted from our servers on download or after specified duration.
Sync makes it easy to store, share and access your files from just about anywhere. Best of all, Sync protects your privacy with end-to-end encryption — ensuring that your data in the cloud is safe, secure and 100% private.
CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys (not even us).
The Document Foundation
LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. LibreOffice includes several applications that make it the most powerful Free and Open Source office suite on the market.
Free client-side encryption for your cloud files. Open source software: No backdoors, no registration.
VeraCrypt is a free open source disk encryption software for Windows, macOS and Linux.
- Beginner’s Tutorial
- Frequently Asked Questions
- Encryption toolkit for media makers: A VeraCrypt guide / Freedom of the Press Foundation
The best Windows backup and synchronization program on the planet with great features and benefits at no cost.
You have the right to own your life – and your data. That’s why Firefox fights for you with tech you can trust. Firefox is the independent, people-first browser made by Mozilla, voted the Most Trusted Internet Company for Privacy. Install today and join hundreds of millions who depend on Firefox for speed, privacy, and more personal browsing experience.
The search engine that doesn’t track you.
Electronic Frontier Foundation (EFF)
EFF’s team of technologists and computer scientists engineers solutions to the problems of sneaky tracking, inconsistent encryption, and more.
- HTTPS Everywhere
- Privacy Badger
- Surveillance Self-Defense
- Security Education Companion
- STARTTLS Everywhere
An efficient blocker add-on for various browsers. Fast, potent, and lean.
Ghostery helps you browse smarter by giving you control over ads and tracking technologies to speed up page loads, eliminate clutter, and protect your data.
Free open-source tool to protect against homograph attacks and zero-day phishing powered by AI and Computer Vision.
Your shortened URL expander.
Gautam Krishna R
Do you think that switching to your browser’s private browsing mode or incognito mode will make you anonymous?
Clickclickclick.click reveals the browser events used to monitor our online behaviour.
The Tor Project
The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: It prevents somebody watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning your physical location, and it lets you access sites which are blocked.
The Brave browser blocks ads and trackers that slow you down and invade your privacy. Discover a new way of thinking about how the web can work.
Internet traffic protection
The Internet’s fastest, privacy-first consumer DNS service.
- Announcing 184.108.40.206: the fastest, privacy-first consumer DNS service
- Sure, The Internet Is Broken. So Let’s Go Fix It, Shall We?
I decided to create this small project after realising how easy it was for DNS leaks to occur without a user’s knowledge. It is especially alarming considering that some users may have a false sense of security about their anonymity when using an anonymity service such as TOR or a VPN service.
Security-focused VPN developed by CERN scientists from the ProtonMail team. Enabling Internet without surveillance.
- VPN Threat Model
- Security Features
- What is Secure Core?
- Here are all the countries where the government is trying to ban VPNs
- Mozilla’s endorsement of ProtonVPN: Part 1, Part 2
- ProtonVPN Review / VPNpro
Analyze suspicious files and URLs to detect types of malware including viruses, worms, and trojans.
Check if your Internet-connected devices at home are public on Shodan. If they are, this means they are accessible to the public, and hackers.
The world’s first search engine for Internet-connected devices.
Gibson Research Corporation (GRC)
An easy to use and understand utility designed to clarify the many overlapping and confusing aspects of any Windows system’s ability to prevent the Meltdown and Spectre attacks.
Try out the world’s best machine translation.
OsmAnd is an offline navigation application with access to the free, worldwide, and high-quality OpenStreetMap (OSM) data. Enjoy voice and visual offline navigation, viewing points of interest, creating and managing GPX tracks, using contour lines visualization and altitude info (through plugin), a choice between car navigation, cycle navigation or directions in the pedestrian mode, OSM editing and much more.
OpenStreetMap Foundation (OSMF)
OpenStreetMap is the free editable map of the whole world. It is made by people like you.
This is a 5 day free guide for the average Jane and Joe to minimize the invasion of your privacy when using the internet.
Beat spam with the best disposable e-mail service.
Search by image and find where that image appears online.
Helping kids be safe, confident explorers of the online world.
Facebook’s security incident tools
A series a web pages where you’ll be able to check whether your data was affected by some of the most recent Facebook security incidents.
- An important update about Facebook’s recent security incident
- Important information about your photos on Facebook
- Which banned apps may have had access to my info?
Moritz Ebeling and Leon Lukas Plum
Crytch is a webtool that makes private messaging fun, easy and secure.
With the world’s largest people search engine, Pipl is the place to find the person behind the email address, social username or phone number.
Page last updated 9 November 2019
Precisely Private is also available as an eBook and a PDF.