The OSX/RSPlug-A Trojan horse changes DNS server entries on Apple Macintosh computers to direct surfers unwittingly to other websites. This could be for the purposes of phishing, identity theft or simply to drive traffic to alternative websites.
Last night, BBC TV in the UK broadcast an investigation into Facebook security on their flagship consumer affairs program, Watchdog. Their findings have been reported in news stories worldwide.
BBC investigators set up a fake Facebook id called “Amba Friend”, contacted 100 people at random with friend requests, and reported how many accepted the invitation from a total stranger.