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Glossary: Business Risk, Third Parties and Compliance

Single loss expectancy (SLE)

Also written: SLE

The money expected to be lost each time one event happens: AV × EF. One ransomware attack on the $40,000 order server at 50% EF has an SLE of $20,000.

Where the book teaches it

Related terms

Asset value (AV)Exposure factor (EF)Annualized loss expectancy (ALE)