Interesting article posted up at Processor. Carl Herberger of EvolveIP explains the layered approach to information security as bringing together several comprehensive policies and manual procedures to a variety of point security solutions, filtering systems, and monitoring strategies to protect IT resources and data.
As data loss prevention becomes increasingly important, it becomes more likely that a re-assessment and redeployment of security perimeter resources will occur. Implementation of DLP tools may boost the detection of data theft. Creating multiple layers can be useful not only in preventing theft but also in spotting it when it happens.