As leaks from the recent Sony hack continue to make headlines and company executives apologize for insensitive comments made in exposed emails, we still don’t know how the hack occurred or the exact nature of the demands made by the attackers. But we’ve learned a bit about Sony’s security practices. And we’ve learned that the attackers may have tried to extort Sony before releasing its secrets. We’ve also learned that attempts by Sony to rally public support from rival studios has failed.