Introducing OCTAVE Allegro - Software Engineering Institute ...

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(9) Risk Mitigation Based on the total score for this risk, what action will you take? Accept Defer Mitigate Transfer For the risks that you decide to mitigate, perform the following: On what container would you apply controls? What administrative, technical, and physical controls would you apply on this container? What residual risk would still be accepted by the organization? 136 | CMU/SEI-2007-TR-012
<strong>Allegro</strong> Worksheet 10 Information Asset Area of Concern (1) Actor INFORMATION ASSET RISK WORKSHEET PBCD Procedures not performed on a patient are added to billing summary. (No one checks that the data entry staff enters the correct procedures from the chart unless the insurance company complains about a charge.) Disgruntled data entry staff Who would exploit the weakness? Threat (2) Means How would the actor do it? What would they do? (3) Motive What is the actor’s reason for doing it? Enters codes for test and procedures that were never performed Wants to harm the hospital (4) Outcome What would be the resulting effect on the information asset? Disclosure Modification Destruction Interruption Information Asset Risk (5) Security Requirements How would the information asset’s security requirements be breached? (6) Probability What is the likelihood that this threat scenario could occur? (7) Consequences What are the consequences to the organization or the information asset owner as a result of the outcome and breach of security requirements? Billing records should only be updated with the actual billable services provided to the patient. High Medium Low (8) Severity How severe are these consequences to the organization or asset owner by impact area? Impact Area Value Score If the activity goes unnoticed, significant financial harm could come to the hospital. If patients are charged for services the hospital did not deliver, the hospital would have to return money and might be sued for additional damages or negligence. Significant labor charges will be required to audit and reenter billing data. Reputation & Customer Confidence Med 8 Financial High 12 Productivity High 9 Safety & Health Low 5 Insurance companies will likely take longer in reviewing and providing compensation to the hospital. This could cause a significant interruption in hospital’s cash flow. Fines & Legal Penalties High 3 User Defined Impact Area Relative Risk Score 37 SOFTWARE ENGINEERING INSTITUTE | 137
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Introducing OCTAVE Allegro: Improvi
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Table of Contents Acknowledgements
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List of Figures Figure 1: Three OCT
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List of Tables Table 1: OCTAVE Time
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Acknowledgements The authors of thi
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Abstract This technical report intr
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1 Introduction One of the primary g
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The method was also designed to all
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The OCTAVE Allegro approach consist
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2 Evolving the OCTAVE Method 2.1 EX
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• minimizing the size and complex
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2.4 SPECIFIC IMPROVEMENTS IN OCTAVE
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often serve to distract the analysi
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use of the risk worksheet) explicit
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3 Introducing OCTAVE Allegro In thi
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3.1.5 Step 5 - Identify Threat Scen
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created. To facilitate this activit
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4 Using OCTAVE Allegro This section
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4.2.2 Developing Risk Measurement C
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5 Next Steps The OCTAVE Allegro app
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5.2 LOOKING FORWARD The introductio
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Appendix A OCTAVE Allegro Method Gu
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Step 1 Activity 1 Define a qualitat
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• Technology assets - Technology
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Step 2 Activity 5 Record a descript
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Step 2 Activity 7 Record the securi
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which it lives, this activity defin
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Table 3: Information Asset Containe
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Table 5: Information Asset Containe
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3. Expand your areas of concern to
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Table 6: Description of Threat Tree
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The threat scenario derived from yo
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Step 6 - Identify Risks BACKGROUND
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Step 7 - Analyze Risks BACKGROUND A
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Step 7 Activity 2 In this step a re
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The need for collaboration between
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Step 8 Activity 1 The first activit
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Step 8 Activity 3 For all of the ri
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Appendix B OCTAVE Allegro Worksheet
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Allegro Worksheet 1 RISK MEASUREMEN
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Allegro Worksheet 7 IMPACT AREA PRI
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Allegro Worksheet 8 CRITICAL INFORM
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Allegro Worksheet 9a INFORMATION AS
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Page 99 and 100: Allegro Worksheet 9c INFORMATION AS
Page 101 and 102: Allegro - Worksheet 10 INFORMATION
Page 103 and 104: Appendix C OCTAVE Allegro Questionn
Page 105 and 106: Threat Scenario Questionnaire 1 Tec
Page 107 and 108: Threat Scenario Questionnaire - 2 P
Page 109 and 110: Threat Scenario Questionnaire - 3 P
Page 111 and 112: Appendix D OCTAVE Allegro Example W
Page 113 and 114: Allegro Worksheet 1 RISK MEASUREMEN
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Page 127 and 128: Allegro Worksheet 8 CRITICAL INFORM
Page 129 and 130: Allegro Worksheet 9a INFORMATION AS
Page 131 and 132: Allegro Worksheet 9b INFORMATION AS
Page 133 and 134: Allegro Worksheet 9c INFORMATION AS
Page 135 and 136: Allegro Worksheet 10 Information As
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Page 151 and 152: References URLs are valid as of the
Page 153: REPORT DOCUMENTATION PAGE Form Appr
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