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What is Continuous Threat Exposure Management (CTEM)?

Gareth Cleeves
July 1, 2025
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Today's cyber attackers are relentless, and they'll exploit any weakness to gain access. Safeguarding your organisation's digital assets is more than just a technical concern; it's fundamental to your business's survival. And increasingly, it's a legal imperative, with stringent regulations holding companies accountable for how they manage cyber risk.

Despite the rising threat, many organisations still lack the frameworks and tools needed to understand, measure, and manage that risk. Without the right approach, it's difficult to secure buy-in from leadership, justify budget allocations, or demonstrate ROI on cyber security efforts. This is where Continuous Threat Exposure Management (CTEM) comes in. By bridging the gap between technical insight and business risk, CTEM offers a structured, continuous process to help you stay ahead of persistent threats.                                

What is CTEM?

CTEM is an emerging cyber security framework and methodology that consolidates existing security tools and capabilities into a unified, integrated process with five stagess, combining the strengths of four core areas:

  1. Scoping: Identifying your organisation's high-value assets to focus efforts where they'll have the most impact
  2. Discovery: Understanding not just what's visible but what's at risk, including misconfigurations, hidden assets, and weaknesses in controls.
  3. Prioritisation: Focussing your attention where it counts, looking at exploit likelihood, business impact, and existing protections.
  4. Validation: Using testing and simulation to confirm which vulnerabilities pose real threats.
  5. Mobilisation: Enabling fast, efficient response using well-established tools and workflows.

Individually, these approaches can be effective. But when they operate in silos, critical issues fall through the cracks. CTEM connects the dots, bringing people, systems, and processes together to help organisations spot and remediate vulnerabilities faster.

What makes CTEM especially valuable is how it reframes cyber risk in business terms, prioritising technical vulnerabilities based on their potential impact on the organisation. By focusing on threats that pose the greatest business risk, CTEM helps reduce the overall severity of incidents. And because it translates technical findings into clear, quantifiable outcomes, it supports smarter decision-making and stronger board-level engagement.

Understanding the Vulnerability Gap

Across Australia, businesses are facing mounting pressure to defend against a rapidly evolving cyber threat landscape. Too often, the time between detecting a vulnerability and taking action is measured in days or weeks, and that delay can be costly. However, this gap is rarely caused by a lack of tools; more often, it's down to misalignment between teams, priorities, and systems. The root causes fall into two main categories:

1. Internal Barriers

Most Australian organisations aren't short on tools. Most have some form of patch and vulnerability management in place and should be able to identify weak spots and apply patches. But in reality, several internal issues arise time and again that prevent this from happening:

  • Detection Without Action: Many organisations have sophisticated scanning tools and can see what needs fixing, but can’t mobilise to apply the required patches. are left untouched.
  • Divided Teams: Security and IT operations often work in isolation. Security flags critical patches, but it is IT that must apply them. The lack of often with little understanding of the full business context, which slows down response times.
  • Technical Debt: Legacy systems with messy interdependencies often lack vendor support, making patching complex, or even impossible without significant investment.
  • Lack of Measurement and Communication: Many organisations struggle to measure the impact of vulnerability management programmes or communicate outcomes.

2. External Pressures

Australian organisations are operating in an environment where the volume, speed, and complexity of threats are growing by the day, causing several challenges that make effective vulnerability management even more difficult:

  • Explosive CVE Growth: The number of Common Vulnerabilities and Exposures (CVEs) has skyrocketed from around 8,000 in 2014 to over 40,000 in 2024. That's a 400% increase in just a decade.
  • Shrinking Exploitation Window: Not only are there more vulnerabilities, but they're being exploited faster. The average window between discovery and exploitation is now just a matter of days.
  • Disconnect Between Security and Leadership: Boards and executives recognise the importance of cyber risk. However, technical jargon and overwhelming data make it difficult to act confidently.
  • Business vs. Security Trade-offs: Fixing issues can mean downtime or customer disruption which may have business or regulatory consequences. With stretched teams and tight budgets, this creates a constant balancing act.

How CTEM Helps Solve These Challenges

The vulnerability gap isn't just a technology problem; it's a business issue. CTEM offers a strategic, risk-informed methodology designed to close the gap between detection and remediation. With CTEM, your organisation can:

  • Prioritise Tech Investment: Invest in the right tools and cross-functional teams to optimise workflows, accelerate remediation, and reduce risk.
  • Bridge the Gaps: Bring vulnerability data into the broader context of threats, assets, and risk, so issues don't just sit on a list,  - they get addressed.
  • Test Your Assumptions: Use tools like breach simulations and automated pen testing to understand how vulnerabilities might be exploited in your environment.
  • Grow Your Arsenal of Mitigations: Layer in additional controls, such as application allowlisting or web firewalls, to reduce exposure while you work toward permanent solutions.
  • Elevate Your Reporting: Translate technical risk into business language to deliver clearer reporting to executives.

Making CTEM Work for Your Business

Unlike traditional approaches that focus purely on technology or patching, CTEM is aligned with your business and can help turn insight into action.  The methodology is built around an integrated stack of technology, consulting and services aligned with the five-stage CTEM cycle, each stage playing a vital role in helping you prioritise, act on, and stay ahead of threats:

By embedding this cycle into your organisation's existing security model, CTEM builds confidence, creates alignment, and helps business leaders make smarter decisions.

If you're looking to explore how CTEM could fit into your organisation's security approach, get in touch with the team at Infotrust to explore a tailored approach that closes the vulnerability gap and strengthens your business from the inside out.