OK i'll give you a glance of what you need in order to stay protected :


Be careful with online services

keep only small amounts of bitcoins on your computer, mobile, or server for everyday uses and to keep the remaining part of your funds in a safer environment.

Backup your wallet

Encrypt online backups

Use many secure locations for backups

Multi-signature to protect against theft

As of today, no hardware wallet has entered in production but they are coming soon:
Trezor
ButterflyLabs BitSafe