Not really as alarming as the post title suggests but a post from Trend Micro's blog highlights a few surprising and a few unsurprising dangers on the internet from 2010. Trend Micro's blog: http://blog.trendmicro.com/ Original post: http://blog.trendmicro.com/2010s-most-dangerous-list/ In summary: Riskiest hardware: German ID card readers Riskiest website software: Wordpress Most dangerous IP: Internet Relay Chat (IRC) Riskiest OS: Apple’s Mac OS X Most dangerous website: Google Most dangerous social network: Facebook Most dangerous top level domain: CO.CC Riskiest file format: PDF More details are given in the original post from Trend Micro.