Many chief information security officers (CISOs) are forced to respond to security breaches with little knowledge or planning. Not only is it important to have the tools for responding to security breaches, but it's essential to build a detailed response plan and test this plan ahead of time. Having this knowledge will substantially reduce the amount of chaos when responding to a breach. Forrester has drawn on lessons learned from past security breaches and outlined the steps you should take to build a security response plan. Follow these 10 steps to avoid becoming the latest victim of a data security breach.