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 ...

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.

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 ...