<A target="_blank" href="http://www.pcworld.com/article/161941/nasty_new_worm_targets_home_routers_cable_modems.html?tk=rss_main">Thought to have started in Australia</A> and known as "psyb0t" or Bluepill, this worm is known to be able to infect residential routers and modems. It's pre-loaded with thousands of common user names and passwords to make hacking systems quicker.