ISO Guide 73:2009
3.6 與風險分析相關名詞 (Terms relating to risk analysis)
3.6.1 分險分析 (risk analysis)
Process to comprehend the nature of risk and to determine the level of risk.
NOTE 1 to entry: Risk analysis provides the basis for risk evalution and decision abour risk treatment.
NOTE 2 to entry: Risk analysis includes risk estimation.
3.6.1.1 可能性 (likelihood)
chance of something happening
NOTE 1 to entry: In risk management
3.6.1.2 暴露 (exposure)
extent to which an organization and/or stakeholder is subjected to an event.
3.6.1.3 後果 (consequence)
outcome of an event affecting objectives.
3.6.1.4 機率 (probability)
measure of the chance of occurrence expressed as a number between 0 and 1, where 0 is impossibility and 1 is absolute certainty.
NOTE 1 to entry: See definition 3.6.1.1, NOTE 2.
3.6.1.5 頻度 (frequency)
number of events or outcomes per defined unit of time.
NOTE 1 to entry:
3.6.1.6 脆弱性 (vulnerability)
intrinsic properties of something resulting in susceptibility to a risk source that can lead to an event with a consequence.
3.6.1.7 風險矩陣 (risk matrix)
tool for ranking and displaying risks by defining ranges for consequence and likelihood.
3.6.1.8 風險等級 (level of risk)
magnitude of a risk or combination of risks, expressed in terms of the combination of consequences and their likelihood.
4.6.1.8 風險等級 (level of risk)
風險或多項風險合併之規模，以結果（後果）與其可能性組合之方式表示之。
ISO 31000:2009
2.21 risk analysis
process to comprehend the nature of risk and to determine the level of risk.
NOTE 1 to entry: Risk analysis provides the basis for risk evaluation and decisions about risk treatment.
NOTE 2 to entry: Risk analysis incluldes risk estimation.
[SOURCE: ISO Guide 73:2009, definition 3.6.1]