Update OpenSSH version to 8.0 to fix the vulnerability observed by Qualys scan.
You can use Amazon EC2 Instance Connect which provides a simple and secure way to connect to your instances using Secure Shell (SSH).
Agent forwarding is a mechanism whereby an SSH client allows an SSH server to use the local agent on the server, the user logs into, as if it was local there.
SSH is an encrypted connection protocol that allows secure sign-ins over unsecured connections. SSH is the default connection protocol for Linux VMs hosted in Azure.