D. Danchev has two reports regarding Iranian attacks on Iranian government websites, which raises interesting questions regarding this more kinetic form of information warfare, not least of which being: what do you do when the attack on your infrastructure originates from within that same infrastructure?

Iranian opposition launches organized cyber attack against pro-Ahmadinejad sites

Iranian Opposition DDoS-es pro-Ahmadinejad Sites

See also:

Web Attacks Expand in Iran’s Cyber Battle (Updated Again)