A popular bitcoin shop, Coinbase, now has raised its' bounty payout up to $ 50 000 due to the rising price of bitcoins. Some sites fear of creating hacker bounties, thinking that it would provoke hackers to purposely attack their sites. However, top players like Google and Facebook proved that having such bounty programs provides more benefit, than threat.
Coinbase provides great resources to keep your wallet safe. 2 factor authentication is excellent.