Is the post-Cold War era over? In this brave new world, nothing is too small, or big, to be digitalised…including acts of war. Russian ransomware attacks almost doubled last year. At this very moment, cybercriminals are crippling schools, supermarkets, dentists, kindergartens, hospitals, oil pipelines - all in the name of money. Katie Puckrik wants to know who, and why. You can listen to the previous series of dot com on this same feed. Series 1 unveils the hidden army of volunteers behind the world's biggest encyclopaedia; and series 2 explores the heat behind the headlines of the US's 5th biggest social media website, Reddit. Dot com is presented by Katie Puckrik, written and produced by Anna Staufenberg, and edited by Crawford Blair.