The news of US involvement in developing and releasing the digital weapon should have created a stir in Washington and in other government circles beyond. But it was largely met with silence, despite the fact that it raised a number of troubling questions—not only about the risks it created for US critical infrastructures that were vulnerable to the same kind of attack, but about the ethical and legal considerations of unleashing a destructive digital attack that was essentially an act of war. Ralph Langner had been right in signing off his original post about Stuxnet the way he did. With
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