Security is not optional. Learn how to harden your VPS.
1. Use SSH Keys
Disable password authentication and use SSH keys. This makes brute-force attacks nearly impossible.
2. Configure a Firewall (UFW)
Ensure you only allow necessary ports (22, 80, 443). Close everything else.
3. Keep Software Updated
Run apt update && apt upgrade regularly.
Read more about securing e-commerce sites here.