Electronic surveillance Privacy, Right of 46 Social aspects 27 Law and legislation 21 National security 14 Political aspects 14 Social control 14 Government policy 12 Intelligence service 12 Prevention 12 Data protection 11 History 11 Information technology 11 Terrorism 11 Computer crimes 10 Leaks (Disclosure of information) 10 Moral and ethical aspects 9 Civil rights 8 Wiretapping 8 Security measures 7 Data encryption (Computer science) 6 Government information 6 Whistle blowing 6 Cyberterrorism 5 Electronics in crime prevention 5 Internal security 5 Internet 5 Telecommunication 5 War on Terrorism, 2001-2009 5 Access control 4