Who is responsible for securing networks during a security incident?

 Role of the Incident Response Team (IRT): The IRT is tasked with managing and mitigating security incidents, including securing networks and restoring operations. Their responsibilities include identifying affected systems, containing breaches, and ensuring secure environments during and after incidents.  Collaboration: While other roles like the CISO provide oversight, the IRT performs hands-on incident management tasks.  Supporting Reference: EC-Council CCISO materials designate the IRT as the primary operational unit during incident response activities.