Bitcoin users have echoed that suggestion. “One note of warning: don’t trust any online wallet,” read a comment on a recent Guardian feature. “The two biggest ones have already been robbed. Use your own wallet on your own computer and back it up on a USB stick.”

“Remember, you don’t have to keep your Bitcoins online with someone else: you can store your Bitcoins yourself, encrypted and offline,” said Ducklin at Sophos.

via Bitcoin Thefts Surge, DDoS Hackers Take Millions – InformationWeek.