Why haven't al-Qaeda or ISIS attacked Iran?

Now second thing is that ISIS and Al-Qaeda have attacked Iran! They killed our guards protecting our border with Iraq, and ISIS has recently published a video against Iran, also there have been bombs discovered in Iran cities that they defused them before they explode. read more

Perhaps, because it was founded by Saudis (like bin Laden) and Egyptians (like Zawahiri). Al-Qaeda thrives in countries with weak security, and that does not include Iran. Al-Qaeda is primarily Sunni while Iran is Shia and does not have that many Sunnis. read more

Undoubtedly, ISIS is afraid of attacking to Iran, because they are aware of high power of Iran, so if they attack Iran, perhaps Iran annihilate them completely. ISIS and many terrorist groups tried to attack to Iran and they haven’t stopped obstructionism proceedings, but it can’t defeat Iran due to some reasons. read more