In 1995, when I was a university student in Helsinki, I developed a security protocol to protect data-in-transit as it moved throughout our network. I named it the “secure shell,” or SSH for short.

Out of the box, secure shell is fairly secure. With the help of ssh key authentication, you can lock down secure shell so that only specific machines can log in. Here's how. If you’re a Linux ...

Open the Windows 10 Start menu and search for “Apps & Features”. In the “Apps & Features” heading, click “Optional Features”. Scroll down the list to see if “OpenSSH Client” is listed. If not, click ...

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How to combine SSH key authentication and two-factor authentication on Linux Your email has been sent Jack Wallen shows you how to set up both two-factor authentication and SSH key authentication for ...

When you add a security key to SSH operations, you can use these devices to protect you and your account from accidental exposure, account hijacking, or malware, GitHub security engineer Kevin Jones ...

OpenBSD has recently stressed to us the value of key rotation by their use of “Signify” distribution release signatures. We have realized that SSH keys should also rotate, to reduce the risk of ...

Unmanaged Secure Shell (SSH) keys can leave a door open for authorized access by both malicious insiders and external threats, and these can be left undiscovered for years if ever. Over the past ...