Cyber maturity is not defined by having a full-time Chief Information Security Officer (CISO) on the payroll, it is defined by whether an organisation has clear accountability, informed decision-making, an effective security program and access to experienced leadership.
Having a CISO does not automatically improve your cyber maturity score under the Australian Government’s Essential Eight Maturity Model. This is strictly a technical implementation baseline.
It scores organisations entirely on how effectively they deploy concrete, technical configurations across eight specific threat vectors, such as application control, patching and multi-factor authentication.
It contains no governance metrics regarding executive personnel, hiring, or leadership structure
For many mid-sized organisations, a cybersecurity decision partner can provide the strategic oversight they need without the cost and complexity of recruiting a permanent executive, who can often be very expensive.
1. The cyber leadership gap in mid-sized organisations
Many mid-sized businesses have become too complex to leave cybersecurity entirely to an IT manager, yet they may not have the scale, budget or workload to justify a full-time CISO.
This creates a gap between the organisation’s growing exposure and its capacity to govern cyber risk effectively.
2. Cybersecurity leadership is different from IT management
IT teams are typically responsible for keeping systems available, supporting users and delivering technology projects.
A CISO has a distinct mandate. They assess business risk, set priorities, advise executives and boards, oversee incident readiness, and establish accountability across the organisation.
An IT manager may be highly capable but should not be expected to independently manage both operational technology and enterprise cyber risk.
3. Hiring a full-time CISO is not always practical
Experienced CISOs are expensive, hard to recruit and in strong demand.
A mid-sized organisation may also struggle to provide sufficient strategic work to justify a full-time executive. This can lead to the CISO being absorbed in operational tasks that could be handled by internal IT teams or external providers.
4. Cyber maturity is about outcomes, not job titles
However, I am not suggesting that a full-time CISO is unnecessary in every case. Larger, highly regulated, or particularly complex organisations may require one.
Organisations should assess whether they have the following outcomes in place:
- A clearly identified owner of cyber risk
- A strategy aligned with business priorities
- Regular reporting to executives and the board
- A prioritised security roadmap
- Tested incident response arrangements
- Effective third-party and supply chain controls
- Policies that are implemented rather than simply documented
- A clear record of decisions, risks and accepted exceptions
A business can achieve these outcomes through various leadership models.
5. The role of a cybersecurity decision partner
A cybersecurity decision partner provides senior security leadership for a set number of days each month, rather than serving as a permanent employee.
They may develop the security strategy, attend board and risk committee meetings, oversee compliance, manage the security roadmap, and coordinate internal teams and external suppliers.
This gives the organisation access to executive-level expertise while allowing it to scale the engagement to match risk, growth and regulatory requirements.
6. Why the model can work particularly well for the mid-market
A cybersecurity decision partner can bring experience across multiple organisations, incidents and industries.
This broader perspective can help businesses avoid common mistakes, benchmark their security posture and focus investment on the controls that will deliver the greatest reduction in risk.
The model can also provide independence. An external CISO may be better placed to challenge existing practices, question suppliers, and provide the board with an objective view.
7. Leadership should come before more security tools
Many businesses already own more cybersecurity technology than they can manage effectively.
Without leadership, tools can generate thousands of alerts, vulnerability reports and competing priorities without helping the organisation decide what matters most.
A security leader should assess the existing technology environment, identify gaps and eliminate unnecessary duplication before recommending further spending.
8. The board and executive team still retain accountability
Outsourcing the CISO role does not mean outsourcing responsibility for cybersecurity.
Directors and executives must remain engaged, understand the organisation’s material cyber risks, and ensure the security leader has the authority, budget and access required to fulfil the role.
The outsourced CISO should strengthen governance rather than replace executive involvement.
9. When a full-time CISO may become necessary
A fractional CISO model may be appropriate in the early and middle stages of an organisation’s cyber maturity journey.
As the business grows, becomes more regulated, expands internationally or develops a larger security team, the workload may eventually justify a permanent CISO.
An outsourced CISO can also help define the role, establish the program, and support recruitment and the transition to a full-time leader.
Conclusion
The decision should not be framed as either a full-time CISO or no CISO. Organisations have a range of options for accessing credible security leadership.
The important question is whether an experienced person is accountable for understanding cyber risk, setting priorities and guiding the organisation when an incident occurs.
For mid-sized businesses, a fractional or outsourced CISO can offer a practical path to stronger governance, better investment decisions and genuine cyber maturity.

