A Risk Assessment of Piql Services by FFI

6.2.1

Scenario Constraints

48

6.3 Scenario Method

50

6.3.1

Applied to Issues of Safety

52

6.3.2

Applied to Issues of Security

54

6.4 Final Selection of Scenario Classes

58

7

Developing a Scenario Template

59

8

Presenting the Scenarios

63

9 The Vulnerabilities and Security Challenges of the Piql Preservation Services 67 9.1 Vulnerabilities and Security Challenges Identified 68 9.1.1 “Out in the Open” 68 9.1.2 Inside Threat 68 9.1.3 Loss of Ideal Storage Conditions 70 9.1.4 Fire 72 9.1.5 Water 73 9.1.6 Physical Pressure from Overhead Weight 74 9.1.7 Jolts and Drops 75 9.1.8 Chemical Compounds 75 9.1.9 Harmful Microorganisms 76 9.1.10 Nuclear Radiation 77 9.1.11 Electromagnetic Radiation 77 9.1.12 Ultraviolet Radiation 78 9.1.13 Theft 78 9.1.14 Sabotage 79 9.1.15 Espionage 81 9.1.16 Threats to Computer Security 82

10 Alternatives for Digital Storage

86

10.1 Existing Digital Storage Technologies

86

10.1.1 Hard disk drive (HDD)

86

10.1.2 Optical disk (CD)

87

10.1.3 Magnetic tape (LTO)

87

10.2 Security Qualities

88

10.3 Long-Term Preservation

88

11 Recommendations

89

11.1 Recommendations for General Security

90

11.2 Recommendations for Physical Security

92

6

FFI-RAPPORT 16/00707