Introduction The transformation of the cyber landscape has critical implications for how the CISO operates and sets the cybersecurity strategy in relation to broader business priorities. The shift from information security to cybersecurity reflects a move from protecting classified information – rooted in military and government cryptographic efforts – to safeguarding the wider use of digital technologies. Early computing was primarily focused on encrypting, decrypting and securing information for government use. As computing expanded into civilian and industrial domains, the threat landscape became more diverse, leading to a more holistic approach to cybersecurity. When it emerged, the CISO role focused primarily on the technical aspects of information security: ensuring the protection of information technology (IT) infrastructure by overseeing firewalls, intrusion detection systems and incident response protocols. The role was often siloed, sometimes within, or sometimes separate from, the IT department, with limited visibility at the executive level. Today, however, this legacy model is no longer sufficient. The scope and strategic relevance of cybersecurity have expanded dramatically, bringing the CISO role into sharper focus across the enterprise.As highlighted in the Global Cybersecurity Outlook 2025, a range of external pressures are reshaping the expectations placed on CISOs, from intensifying geopolitical tensions to the rise of cybercriminal syndicates, as well as a fragmented regulatory environment and emerging technologies such as AI and quantum computing. These dynamics demand that security leaders not only manage risk but also guide organizations through uncertainty, act as strategic advisers and foster trust within and beyond the enterprise. This white paper explores the evolution of the CISO role in the face of rising complexity, outlining how this complexity manifests, what it demands of today’s cybersecurity leaders and how the structure of the CISO role – along with its relationships and reporting lines – must adapt. It provides a clear mapping of the CISO’s interactions with principal stakeholders, offering a practical view to help boards and CISOs align cybersecurity strategy with organizational resilience, business growth and board expectations.In 2025, with the global cyber landscape both fragmenting and becoming more deeply interconnected, the role of the CISO stands at a defining crossroads. Elevating Cybersecurity: Ensuring Strategic and Sustainable Impact for CISOs 5

Elevating Cybersecurity 2025