With strict data protection laws in place around the world, it’s vital that the data protection officer (DPO) and CISO work closely together. CISOs are concerned with security and confidential data, and DPOs are focused on privacy and personal data. With the DPO helping to minimize the amount of collected data, the CISO is able to maintain a higher level of security. The DPO is primarily concerned with how the organization handles personal data, which shrinks the overall attack surface.”]
Source: https://www.darkreading.com/attacks-breaches/why-dpos-and-cisos-must-work-closely-together