If the file does not exist, it needs to be created. Your authorized_keys file needs to be set to owner read/write only (mode 600). When using your key file with a Windows 10 or 11 host you similarly ...

Again, you will be asked for your SSH key password, and the file will be pulled from the server and copied to the local machine. SEE: How to Add an SSH Fingerprint to Your known_hosts File in Linux.

SSH holds fingerprints of your remote machines in the known_hosts file. Sometimes you might need to remove or update one of those entries. Jack Wallen shows you how.

A vulnerability tracked as CVE-2024-31497 in PuTTY 0.68 through 0.80 could potentially allow attackers with access to 60 cryptographic signatures to recover the private key used for their generation.

To “rotate” an SSH key is to replace it, in such a way that it is no longer recognized, requiring removal from the authorized_keys file. SSH rotation is commonly addressed with Ansible, but this ...

Multiple versions of the PuTTY SSH client were found to be vulnerable to a high-severity flaw which allowed, in certain scenarios, threat actors to exfiltrate private keys used to generate ...