security
2 guides on this topic.

5 min read
How to Create a Vast.ai API Key (and Keep It Safe)
Where to find your Vast.ai API key, what it can and cannot do, and the security practices every host should follow.

8 min read
SSH Security for GPU Hosts: Keys, Fail2ban, and Sleeping at Night
Your host is a public server now. Key-only login, brute-force protection, and the handful of habits that keep it yours.