21ST CENTURY SECURITY CHALLENGE 15USD!!! Security concerns are now a priority to individual citizens, business corporations, investors, tourists and governments etc. No longer can humanity take the issue of security lightly, with the prevalence of terrorist threats, violent attacks, civil upheavals, and pirating, kidnapping and silent murders in many places. Incidence like the September 11th terrorist attacks on the world trade centre, pentagon and other tragic violent attacks on lives and p