If there will be a next World War, the battlefield may be of the virtual variety. From criminals engaged in electronic thievery to nation states involved in online espionage, the reasons for more focus on cyber security are on the rise. The author of "Dark Market" and "McMafia," Misha Glenny, talks about the "cold war of the web" and what we can and should do to protect ourselves collectively and indivdually. Misha Glenny is a distinguished journalist and historian. As the Central Europe Correspondent, first for The Guardian and then for the BBC, he chronicled the collapse of communism and the wars in the former Yugoslavia. He has won several major awards for his work, including the Sony Gold Award for outstanding contribution to broadcasting.