Cyber warfare as a propaganda machine?

Since the very beginning website have been defaced and propaganda content displayed. Famous attacks are the attack on the Church of Scientology, the attack on Kyrgyzstan during the elections, and the most recent numerous web attacks on sites that put on anti China material on the Tibet matter.
The internet quickly became one of the most used mediums for advertising and information providing, and therefore, using it as propaganda machine is almost a natural thing to do.