But today's online games are much more advanced in tackling security threats, while the industrial systems still have a ways to go, McGraw said.

"You can't hack 'World of Warcraft' with this attack, but you can hack nuclear power plants," McGraw said.

In addition to protecting their interests, countries also need to work together to protect infrastructure from cybercrime. One idea proposed by Kaspersky was the establishment of an international cyberpolice unit to fight cybercrime.

"I call it Internet Interpol," Kaspersky said.

Online criminals are well-organized globally, and many attacks are carried out by script kiddies. The Internet has no borders, so there has to be international involvement to keep cybercriminals in check, Kaspersky said.