A recent study from the Enterprise Strategy Group found that the average CISO tenure is two to four years. Many organizations face an ever-evolving security and risk strategy, which can change key competencies required for success. CISO job descriptions vary greatly across the industry, depending on the size of the company, nature of the business, whether privately held or publicly traded, etc. It should not be surprising that clarity of the role of a successful CISO remains one of the greatest corporate mysteries. In some instances, CISOs own everything from enterprise risk, compliance and service production to deployment.”]
Source: https://www.darkreading.com/careers-and-people/redefining-what-ciso-success-looks-like