The solution is obvious.
Using light frigates, long range frigates or even scouts to counter scout rush, that's an amateur job.
You have to think ahead.
What ? You didn't have guessed yet ?
Ok, the strategy mastermind that i am will give you the strategy that would stun your adversary on ICO :
Use mines. 'Lots of them.
It is ok, don't thank me, i am a generous man that love sharing his successful tactics with young apprentices.
Next time, i will tell you more about my "Secret Antorak Marauder spam tactic".