Subject
Rules and practice
88
Terrorism Prevention
50
National security
30
National security Law and legislation
29
Cyberterrorism Prevention
28
Computer security Law and legislation
23
Management
23
Procurement
23
Airline passenger security screening Law and legislation
22
Appropriations and expenditures
22
Intergovernmental cooperation
22
Border security Law and legislation
21
Officials and employees
21
Airports Security measures
18
Personnel management
18
Border security
17
Reorganization
14
Emergency management
13
Emergency management Law and legislation
12
Federal aid to terrorism prevention
12
Interagency coordination
12
Terrorism Religious aspects Islam
11
Terrorists Travel Prevention
11
Grants-in-aid Law and legislation
10
Illegal immigration
10
Transportation Security measures
10
Domestic terrorism Prevention
9
Information technology
9
Domestic terrorism
8
Evaluation
8
Illegal immigration Government policy
8
Visas Government policy
8
Aeronautics, Commercial Security measures
7
Computer networks Security measures
7
Computer security
7
Employee screening Law and legislation
7
Immigration enforcement
7
Infrastructure (Economics) Security measures
7
Islamic fundamentalism
7
National security Finance
7
Noncitizens Government policy
7
Terrorism
7
United States Foreign relations
7
Cyberinfrastructure Security measures
6
Cyberspace Security measures
6
Drug traffic
6
Human trafficking
6
Public-private sector cooperation
6
Selection and appointment
6
Terrorism Risk assessment
6
more ...