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Welcome to the SSH Academy - in-depth resources on SSH Keys, PAM, PQC, OT and more

On our Academy pages you can find a huge amount of information about SSH, PuTTY, risk and compliance for enterprise security IT professionals, academics - and for the IT community in general.

Popular articles...

Zero Trust Framework

A Guide to Zero Trust Architecture >>>

Quantum Security

Quantum Computing and Post Quantum Algorithms>>>

Operational Technology (OT) Security

What Is Operational Technology Security?>>>

SSH keygen

Learn the basics of SSH key pair creation and algorithm settings >>>

Top SSH clients

Explore SSH client options, capabilities and enterprise readiness >>>

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The resources and information on these pages was originally created and curated by the inventor and founder of SSH (the protocol and the company), Tatu Ylönen (Twitter: @tjssh).

For more about the use of information on these pages, please see our site legal texts.

The aim is for the SSH Academy to continue to be valuable resource for the IT community. Keeping these pages up to date is a passion project for the SSH web team and we really appreciate your feedback. Please send any comments, requests or corrections to: