Security database

1.Global terrorism database（GTD）:

http://www.start.umd.edu/gtd/

GTD:The Global Terrorism Database is an open source Database that keeps track of terrorist events around the world from 1970 to the present and keeps updates on them.

2.Contro Risks for risk maps:

http://riskmap.controlrisks.com/maps/#

3.Global ship information real-time database:

http://www.shipxy.com/

4.Global aviation real-time database:

http://zh.flightaware.com/live/