Glossary: Business Risk, Third Parties and Compliance
Exposure factor (EF)
Also written: EF
The share of an asset's value that one event destroys, written as a percentage or decimal. Ransomware wiping half the order server's value is an EF of 50% (0.5).
Where the book teaches it
Related terms
Asset value (AV)Single loss expectancy (SLE)Annualized rate of occurrence (ARO)