IEC 31010:2019

Risk management - Risk assessment techniques

IEC 31010:2019

Name:IEC 31010:2019   Standard name:Risk management - Risk assessment techniques
Standard number:IEC 31010:2019   language:English and French language
Release Date:12-Jun-2019   technical committee:TC 56 - Dependability
Drafting committee:JWG 16 - TC 56/JWG 16   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

IEC 31010
Edition 2.0 2019-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Risk management – Risk assessment techniques

Management du risque – Techniques d'appréciation du risque





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IEC 31010
Edition 2.0 2019-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Risk management – Risk assessment techniques

Management du risque – Techniques d'appréciation du risque

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 03.100.01 ISBN 978-2-8322-6989-3

– 2 – IEC 31010:2019  IEC 2019
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 9
4 Core concepts . 10
4.1 Uncertainty . 10
4.2 Risk . 11
5 Uses of risk assessment techniques . 11
6 Implementing risk assessment . 12
6.1 Plan the assessment . 12
6.1.1 Define purpose and scope of the assessment . 12
6.1.2 Understand the context . 13
6.1.3 Engage with stakeholders . 13
6.1.4 Define objectives . 13
6.1.5 Consider human, organizational and social factors . 13
6.1.6 Review criteria for decisions . 14
6.2 Manage information and develop models . 16
6.2.1 General . 16
6.2.2 Collecting information . 16
6.2.3 Analysing data . 16
6.2.4 Developing and applying models . 17
6.3 Apply risk assessment techniques. 18
6.3.1 Overview . 18
6.3.2 Identifying risk . 19
6.3.3 Determining sources, causes and drivers of risk . 19
6.3.4 Investigating the effectiveness of existing controls . 20
6.3.5 Understanding consequences, and likelihood . 20
6.3.6 Analysing interactions and dependencies . 22
6.3.7 Understanding measures of risk . 22
6.4 Review the analysis . 25
6.4.1 Verifying and validating results . 25
6.4.2 Uncertainty and sensitivity analysis . 25
6.4.3 Monitoring and review . 26
6.5 Apply results to support decisions . 26
6.5.1 Overview . 26
6.5.2 Decisions about the significance of risk . 27
6.5.3 Decisions that involve selecting between options . 27
6.6 Record and report risk assessment process and outcomes . 28
7 Selecting risk assessment techniques. 28
7.1 General . 28
7.2 Selecting techniques . 29
Annex A (informative) Categorization of techniques . 31
A.1 Introduction to categorization of techniques . 31
A.2 Application of categorization of techniques . 31
A.3 Use of techniques during the ISO 31000 process . 37

Annex B (informative) Description of techniques . 40
B.1 Techniques for eliciting views from stakeholders and experts. 40
B.1.1 General . 40
B.1.2 Brainstorming . 40
B.1.3 Delphi technique . 42
B.1.4 Nominal group technique . 43
B.1.5 Structured or semi-structured interviews . 44
B.1.6 Surveys . 45
B.2 Techniques for identifying risk. 46
B.2.1 General . 46
B.2.2 Checklists, classifications and taxonomies . 47
B.2.3 Failure modes and effects analysis (FMEA) and failure modes, effects
and criticality analysis (FMECA) . 49
B.2.4 Hazard and operability (HAZOP) studies . 50
B.2.5 Scenario analysis . 52
B.2.6 Structured what if technique (SWIFT) . 54
B.3 Techniques for determining sources, causes and drivers of risk . 55
B.3.1 General . 55
B.3.2 Cindynic approach . 56
B.3.3 Ishikawa analysis (fishbone) method . 58
B.4 Techniques for analysing controls . 60
B.4.1 General . 60
B.4.2 Bow tie analysis . 60
B.4.3 Hazard analysis and critical control points (HACCP) . 62
B.4.4 Layers of protection analysis (LOPA) . 64
B.5 Techniques for understanding consequences and likelihood . 66
B.5.1 General . 66
B.5.2 Bayesian analysis . 66
B.5.3 Bayesian networks and influence diagrams . 68
B.5.4 Business impact analysis (BIA) . 70
B.5.5 Cause-consequence analysis (CCA) . 72
B.5.6 Event tree analysis (ETA) . 74
B.5.7 Fault tree anal
...

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