Read the article:
A U.S. panel in 2001 described American defense and spy satellites as frighteningly vulnerable, saying technology to launch attacks in space was widely available internationally. The study, by a commission whose members included Donald H. Rumsfeld prior to his appointment as defense secretary for Bush, concluded that the United States was "an attractive candidate for a Space Pearl Harbor
CNN seems to think it is armed satellites capable of destroying other satellites (simple guns on a satellite would suffice).
However, none of our current advesaries has any significant satellite capability, although that might change with IRAN's deal with China for unspecified satellite services. If Iran is after targeting data, those satellites would be logical choices to want to take out.
However, there are other possibilities, such as lurking drone tank hunting aircraft. There are also technologies in the pipe that can remotely excite Plastic Explosives to detonate (tuned microwave pulses), Aircraft Mounted Lasers, Naval Rail Guns, Drone Tanks, etc. (Not revealing anything you can't find on the web here folks...).
So take your choice.