Develop a detailed role assignment matrix for cross-functional response teams involved in incident management. Specify roles such as [Incident Commander], [Operations Manager], [Legal Counsel], [Public Relations Specialist], and [Security Lead]. For each role, outline the scope of responsibilities and expected actions during various stages of the incident response, such as detection, containment, eradication, and recovery. Include timelines for when each role should be engaged and the necessary escalation protocols to ensure effective teamwork.