Proton

For business

What is email encryption and why should your business prioritize it
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Defend against email fraud and phishing. Make encryption an essential part of your cybersecurity strategy with Proton Mail today.
An image showing a purple computer screen and keyboard with a key icon in the top right corner of the screen
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Learn how to use an authenticator app to protect your workplace accounts with two-factor authentication (2FA).
Authentication vs authorization explained
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Learn more about the difference between authentication and authorization, key examples, and how they can protect your business.
SharePoint attack
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Critical Microsoft SharePoint attack compromises hundreds of government agencies, universities, energy operators, and companies worldwide.
Proton for Business 14-day free trial header image
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Looking to add Proton's apps and features into your business? Try them all with confidence through our 14-day free trial.
Email archiving is a quick way to stay secure and compliant
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Archiving email with Proton can boost security, make employees more efficient, ensure your business is legally compliant, and prevent data breaches.
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One in five law firms reported a cyberattack in the past year. These are the key tools and strategies that can help protect your firm from costly breaches.
How to start an email: 15 professional greetings and opening lines
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Learn how to start an email professionally with our top greetings, openers, and formal examples, and find out what to avoid (and why).
Learn the best professional email sign-offs, common mistakes to avoid, and real-world examples.
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Struggling with how to end an email? Learn about the best professional email sign-offs, common mistakes to avoid, and real-world examples.
A phone screen with a speech bubble with a phone number in it
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Your email address and passwords aren't the only information hackers can use to scam you. Here's what someone can do with your phone number — and how to protect it.
A web application screen with an unlock icon in the bottom right corner
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Your best defense against a data breach could be improving your web application security: Find out how Proton Pass can help.