mi2g estimated spyware and virus damage at $290 per PC

There are an estimated 600 million Windows based Personal Computers (PCs) across the world of which over 200 million run Windows XP, according to the latest estimates from Microsoft. According to mi2g, the economic damage from malware proliferation in 2004 including MyDoom, NetSky and SoBig is estimated to lie between $157 billion and $192 billion worldwide or expressed another way, it works out to between $261 and $320 – average $290 – of productivity losses worldwide per Windows PC.