Hackers Stole $50 Million in Cryptocurrency Using ‘Poison’ Google Ads

For years, hackers have robbed Bitcoin investors, emptying their cryptocurrency wallets without fear of being caught thanks to the relative anonymity of the blockchain. Now, Cisco (CSCO, +0.84%) has exposed the thieves behind a string of particularly flagrant attacks. A Ukrainian hacker group dubbed Coinhoarder has stolen more than $50 million in cryptocurrency from users…