What would you advise to do for best security measures? I am new to all this and all this talk of people having coins stolen makes me nervous. I read also yesterday about someone who all of his BTC stolen from his MT.Gox account.
lots of threads in the bitcoin forum about Armory, paper wallets, deterministic wallets, and other measures to protect the stack.
i would just avoid installing any unknown code unless you trust the compiler and the person who compiled it. i am ignoring almost all altcoins. i'd rather lose all my initial mined coins in a shitcoin rush by leaving them on the pool, rather than risk the money i already have earned.
use VM and sandbox any unsigned/unvetted code.
avoid all online storage of any kind.