On: Secure your Linux server - HowTo by the NSA

[Legion]

KVM over IP. Type your BIOS password right in.

[tintin → Legion]

Thanks! I did not know about this. But doesn't this create extra security issues?

[Legion → tintin]

Yes, you do have to take the KVM over IP device's security into account, like any other remote service you expose. It's the same set of problems you face with securing your other encrypted remote login (SSH) with similar solutions.