Yes even i came to know about lost of bitcoins, that can be avoided if you keep the private keys in a safe place and see that you don't share it with anybody. There are many ways or you can say many wallets and place's where you can store your bitcoin with Tighter security. I have used Coinbase.com, Unocoin, Trezor and zebpay app for storing bitcoins. I recommend coinbase and Trezor which is highly secured one and biggest one for a newbie to try. I am using Unocoin and Zebpay for exchanging bitcoins with my local currency (INDIA-INR) at lowest commissions and fees.