Is Air Gap Necessary?

[Donnybaseball]

Read through this:

SPOs, Do not repeat my mistakes, Keep your Core Node Safe

Dear Awesome Cardano Staking Pool Operators, My name is Jun, I am a Korean pool operator of HAPPY. The reason I am posting this to here is to share my mistakes and prevent similar incident happening to you guys. Just consider that I am just a graduate student in Korea, not a security expert, and I think most of you are not expert neither. I made a huge mistake, and make a security breach to my Core node. First, Let me share my security settings. My SSH config: Password disabled, only acc…