| No. | Item | Definition |
|---|---|---|
| 1. | access | permission to enter |
| 2. | advance | preparatory security visit |
| 3. | alert | warning of possible danger |
| 4. | ambush | surprise attack from hiding |
| 5. | armor | protective covering against attack |
| 6. | assailant | person who attacks |
| 7. | asset | person or thing protected |
| 8. | backup | reserve help or support |
| 9. | badge | official identification token |
| 10. | barricade | barrier blocking passage |
| 11. | beacon | signal device for location |
| 12. | blind spot | area not easily seen |
| 13. | breach | break in security |
| 14. | briefing | short preparatory information session |
| 15. | bystander | person nearby but uninvolved |
| 16. | checkpoint | place where access is checked |
| 17. | clearance | authorized access level |
| 18. | contingency | plan for possible problem |
| 19. | convoy | group of escorted vehicles |
| 20. | cordon | guarded restricted area |
| 21. | counter-surveillance | detect hostile observation |
| 22. | cover | protection from attack or view |
| 23. | credential | proof of identity or access |
| 24. | debrief | review after an operation |
| 25. | decoy | person or thing used to mislead |
| 26. | deploy | position for action |
| 27. | detail | protective team assignment |
| 28. | detain | hold for security reasons |
| 29. | disarm | remove someone’s weapon |
| 30. | disembark | get out of a vehicle |
| 31. | driver | person operating the vehicle |
| 32. | earpiece | small device worn in ear |
| 33. | egress | way out |
| 34. | elevator | lift between floors |
| 35. | embark | get into a vehicle |
| 36. | escort | accompany for protection |
| 37. | evacuate | move people to safety |
| 38. | exit | way out or act of leaving |
| 39. | extract | remove from danger |
| 40. | fallback | backup plan or position |
| 41. | firearm | gun |
| 42. | first aid | immediate basic medical help |
| 43. | floor plan | layout drawing of rooms |
| 44. | frisk | pat down for weapons |
| 45. | gate | movable barrier at an entrance |
| 46. | GPS | satellite location system |
| 47. | holster | holder for a handgun |
| 48. | hostage | person held by force |
| 49. | ingress | way in |
| 50. | intel | useful security information |
| 51. | intruder | unauthorized person entering |
| 52. | itinerary | planned route and schedule |
| 53. | keycard | card used for access |
| 54. | kidnapper | person who abducts someone |
| 55. | line of sight | direct visible path |
| 56. | lobby | building entrance hall |
| 57. | lockdown | restrict movement for safety |
| 58. | magazine | ammunition container in a gun |
| 59. | map | diagram of an area |
| 60. | monitor | screen for viewing feeds |
| 61. | motorcade | group of escorted vehicles |
| 62. | muzzle | front end of a gun |
| 63. | neutralize | stop a threat effectively |
| 64. | paparazzi | aggressive celebrity photographers |
| 65. | perimeter | outer boundary of an area |
| 66. | position | place or location for duty |
| 67. | post | assigned place of duty |
| 68. | principal | person under protection |
| 69. | protect | keep from harm |
| 70. | protester | person demonstrating publicly |
| 71. | protocol | official procedure |
| 72. | radio | wireless communication device |
| 73. | rally point | prearranged meeting place |
| 74. | reload | load ammunition again |
| 75. | restrain | hold back physically |
| 76. | risk | chance of danger or loss |
| 77. | rooftop | top surface of a building |
| 78. | round | single unit of ammunition |
| 79. | route | planned path of travel |
| 80. | safe house | secret secure location |
| 81. | safe room | protected room for refuge |
| 82. | scan | look over quickly and carefully |
| 83. | secure | make safe or protected |
| 84. | shield | protective barrier or action |
| 85. | spotter | person who watches for threats |
| 86. | surveillance | close observation of people |
| 87. | suspect | person thought involved |
| 88. | sweep | systematic security search |
| 89. | tail | follow secretly |
| 90. | threat | possible danger or harm |
| 91. | tourniquet | device stopping severe bleeding |
| 92. | tracker | device used to follow movement |
| 93. | transfer | move between locations or vehicles |
| 94. | trigger | lever that fires a gun |
| 95. | vantage | good position for viewing |
| 96. | vehicle | car used for transport |
| 97. | venue | place where event happens |
| 98. | vest | protective body garment |
| 99. | watch | keep under observation |
| 100. | window | opening fitted with glass |