The Japanese government has been (relatively) quietly churning away on an advanced new cyber weapon. In the post Stuxnet age it's no surprise that a government would be working on powerful new tools to defend its digital borders, but this particular virus (developed with help from Fujitsu) is raising eyebrows with some over how it accomplishes its goals.
http://www.engadget.com/2012/01/06/j...-defense-is-a/