Computer security 207 Security analysis--Portfolio management 125 Food security 107 Security measures 106 National security 102 Cryptography 101 Computer networks 96 Social security 66 security 66 Derivative securities 59 Portfolio management 59 Security, International 58 Human rights 53 India 53 Securities 52 International relations 51 Data encryption (Computer science) 50 History 50 Computer science 43 Terrorism 43 Cryptography-- Computer security-- Computer science 42 Economics 42 Foreign relations 42 Data protection 39 Management 34 Portfolio Management--Investments 34 Computer crimes 33 Politics and government 33 Security 33 Security analysis 33