2245
Hacktivist deletes white supremacist websites live on stage during hacker conference
(techcrunch.com)
This is a most excellent place for technology news and articles.
You're probably right, I went back and double checked the definition of cyber terrorism and the main difference is scale of impact. To be cyber terrorism it would probably have to impact a larger group of people.
It would also have to cause terror. The people using these websites live in such an abject state of terror about their own inferiority that this probably had no measurable effect anyway.