For two years after a gunman opened fire inside a Southern California Edison office, corporate security rebuilt and reframed their corporate culture toward active shooter policies.

Anarchist notes and video messages, along with graffiti and stockpiles of possible weapons, are the most recent threats to come out of anarchist groups such as Anonymous toward the RNC and DNC. 

Hackers from loose online confederation Anonymous defaced several Panda Security websites in response to the arrest of six LulzSec hackers after one of them released information to the FBI.