Written policies and procedures help us leverage emotions while responding in a parallel manner towards a common goal. A successful post-breach response is not enough to drive your organization in the following ways. We want to use our robust emotional brain to our advantage not our disadvantage. We don’t want their people (on the front lines) thinking “what do I do now” or “what comes next” The most important question is whether or not you have the ability to respond to the threat of a new wave of events.”]
Source: https://www.csoonline.com/article/3023902/why-written-policies-are-vital-to-your-cyber-strategy.html