People should use safer browsing habit and along with that should diversify their bitcoin and altcoin holdings in as many places as possible.
Exchanges, online wallets and hot wallets in gambling sites.
If you are not using it regularly, you can just export the private key in encrypted form and remove every trace of its existence.
Indeed most issues happen in the points of connection with your wallet, not with the wallet itself. What is at risk is not necessarily your set up but your attention.