The dynamic between CIO and CISO is subject to several factors: personality differences, new technologies, length of time working together, and communication between the business and IT teams. CIOs and CISOs must realize they will often view situations from different perspectives. Steve Hassell, former Emerson Network Power CIO, advises setting metrics for success and using absolute data that can be measured. The CIO-CISO’s role has evolved to include the landscape of the entire organization, which has affected CISO’s relationship with the CIO.”]
Source: https://www.darkreading.com/careers-and-people/secrets-of-a-highly-productive-cio-ciso-relationship