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Security Education Companion
A free resource for digital security educators

Risk analysis

In computer security, risk analysis is calculating the chance that threats might succeed, so you know how much effort to spend defending against them. There may be many different ways that you might lose control or access to your data, but some of them are less likely than others. Assessing risk means deciding which threats you are going to take seriously, and which may be too rare or too harmless (or too difficult to combat) to worry about. See threat modeling.