Previous Chapter: Chapter 2 - Plans and Strategies
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 54
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 55
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 56
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 57
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 58
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 59
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 60
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 61
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 62
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 63
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 64
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 65
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 66
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 67
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 68
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 69
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 70
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 71
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 72
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 73
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 74
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 75
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 76
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 77
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 78
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 79
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 80
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 81
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 82
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 83
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 84
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 85
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 86
Suggested Citation: "Chapter 3 - Security Countermeasures." National Academies of Sciences, Engineering, and Medicine. 2020. Update of Security 101: A Physical Security and Cybersecurity Primer for Transportation Agencies. Washington, DC: The National Academies Press. doi: 10.17226/25554.
Page 87
Next Chapter: Chapter 4 - Cybersecurity
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