Attrition is the measurement of customer dissatisfaction, which, for the most part, is company-caused. However, some attrition of recurring monthly revenue (RMR) in recent years can be related to the effects of the recession on the security channel. Overall, in 2011 — the latest year for which data are available in the annual Attrition Measurement Study — the industry experienced mixed results depending on the size of a company and its location.