How to secure coins from being hacked

Israeli crypto-company Bancor loses $23.5 million tokens in a hack...! Be save
In 2018 some of the wallet and exchnages are getting hacked recently bitthumb and ianbalina also faced hack bc he stores his private keys in evernote which is easily hackable via email
So we have to secure coins from being hacked
There are some tips to save from hack
1: dont clicks on links in mail
2: dont store privatekeys in inbox or online storage space e.g. Dropbox or onedrive l.
3: in eth use myetherwallet through hardware wallets eg ledger nano S or metamask
4:dont store ur coins in exchanges for a longer time
5: store private key in usd sticks dont leave them in computers
By following these tips u can be protect urself from hack
Most importantly use 2fa authenticator for login