Vast.ai Security Basics Overview Security best practices for Vast.ai API keys, SSH access to GPU instances, data protection on rented hardware, and credential management. Vast.ai instances run as root on shared hardware, requiring careful attention to data lifecycle. Prerequisites - Vast.ai account with API key - Understanding of SSH key management - Secrets manager available (optional but recommended) Instructions Step 1: API Key Management Step 2: SSH Key Security Step 3: Data Protection on Shared Hardware Step 4: Network Security - Use SSH tunnels for any services exposed on instances - Ne…