A NATO-backed manual that attempts to pull together all the bits of international law regarding the "hostile use" of the internet has prohibited attacks against civilian targets.
According to the legal experts who helped draw up the manual, attacks in cyberspace should avoid anything that might affect civilian targets such as hospitals, dams and nuclear power plants.
The manual was compiled by an independent group of legal scholars, lawyers, academics and technical experts who gathered up all the existing relevant norms in existing international law as a guide for legal advisers to military and state bodies, law students, academics and law firms, although the manual itself is not an official document and does not reflect NATO doctrine or policy. Nevertheless, it's expected to be widely read in government circles, as NATO's CCDoE said at the time of the launch
Source: The Register. Read full article. (link)