High Quality Content by WIKIPEDIA articles! Jacob Appelbaum is an independent computer security researcher and hacker. He is currently employed by the University of Washington, and is a core member of the Tor project. Appelbaum is known for representing Wikileaks at the 2010 Hope conference. He has subsequently been repeatedly targeted by US law enforcement agencies, who obtained a court order for his Twitter account data, detained him 12 times at the US border after trips abroad, and seized a laptop and several mobile phones.