Hacking Computer security 15 Cyberterrorism 12 Security measures 10 Computer networks 9 Political aspects 9 Prevention 6 more ... Cyberspace 5 Data protection 5 Election 5 Hackers 5 Presidents 5 Cyberspace operations (Military science) 4 Elections 4 Foreign relations 4 Law and legislation 4 Penetration testing (Computer security) 4 Access control 3 Computer crimes 3 Corrupt practices 3 Cyber intelligence (Computer security) 3 Information warfare 3 Computers 2 Economic aspects 2 Internet in espionage 2 Malware (Computer software) 2 Politics and government 2 Reliability 2 Voting-machines 2 Artificial intelligence 1 less ...