We're only at the beginning of all this cybercrime. This is childsplay.
Companies should be really scared of what a good hacker team can do. It's definitely more than they currently see and think.
Let's hope our cryptos will remain safe. Sooner than later more and more companies will be crippled for at least a few days...
RE: Cyberattack :Petya virus : "The ransoms in bitcoins"