This hacker is fighting ISIS by spamming its Twitter accounts with porn

"Shouting down web-based terrorist recruiting cells, that’s a good thing, said Ryan Calo, professor of law at the University of Washington and co-director of the Tech Policy Lab.

Porn on Twitter, maybe not such a good thing, he said. It could be offensive to religious Muslims (or Christians or Jews), the overwhelming majority of whom are not terrorists and want nothing to do with sexually explicit images.

“A hactivist is really someone trying to advance a civil agenda by using their technological tools,” Calo said. “To me, it’s about targeting appropriately and making sure you’re targeting the real enemy rather than Muslim people or the vulnerable.”"