Thom Langford, CISO of Publicis Groupe, says all companies should consider two essential elements when crafting a plan. Langford is responsible for all aspects of information security risk and compliance as well as managing the group information security program. He is also the founder of Host Unknown, which produces security education and infotainment films. He also discusses: How frequently an incident response plan should be tested, how frequently it should be updated and how to determine whether incident response can be handled in-house.”]
Source: https://www.govinfosecurity.com/essential-elements-incident-response-plan-a-10430