Glossary: Security+ Exam Prep 1: Strategy and Objective Review
Annualized rate of occurrence (ARO)
Also written: ARO
How many times a year an event is expected to happen. One van theft every four years gives an ARO of 0.25.
Glossary: Security+ Exam Prep 1: Strategy and Objective Review
Also written: ARO
How many times a year an event is expected to happen. One van theft every four years gives an ARO of 0.25.