Mikko Hyppönen is one of the world's most renowned cyber security experts and has investigated cybercrime for over 25 years. From the days of naughty, nuisance, but ultimately harmless viruses to the very serious cyber threats society faces today, he's seen it all. In addition to his many accomplishments, he is also an author, and he dropped in to discuss the English-language release of his book "If It's Smart, It's Vulnerable".