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Can CTEM Really Work? The Truth About Continuous Threat Exposure Management

  • Writer: Karl DiMascio
    Karl DiMascio
  • Jun 11
  • 2 min read

The cybersecurity industry thrives on acronyms, and the latest buzzword making the rounds is CTEM -Continuous Threat Exposure Management. Pitched as the evolution of vulnerability management, CTEM promises to help organisations stay ahead of emerging threats by continuously identifying, assessing, and mitigating risks in real time.

 

But does it actually work? Or is it just another repackaged framework with a fancy name?


Let’s unpack it.

 

What Is CTEM, Really?

Gartner defines CTEM as a proactive approach that combines threat intelligence, attack surface management, vulnerability prioritisation, and validation. In simpler terms, it's about simulating how an attacker might compromise your environment, then fixing those gaps before the breach happens.

 

Unlike traditional vulnerability scans or pen tests (which are often periodic and siloed), CTEM is meant to be continuous, context-aware, and prioritised around what attackers are most likely to exploit.


Sounds ideal. But the real question is...

 

Can It Be Implemented Effectively?

The concept of CTEM is strong. The problem is execution.

 

To make CTEM work, you need:

  • Visibility across hybrid environments

  • Contextual insight that aligns exposures to real business risk

  • Automation to avoid drowning in data

  • Validation of remediation efforts, not just theoretical prioritisation

 

Most organisations struggle to align all four. They may have attack surface tools, but no threat modelling. They might run red team simulations, but lack real-time telemetry. Many CISOs are still battling basic hygiene issues - patching delays, shadow IT, unmonitored SaaS.

 

CTEM demands maturity across the stack. For lean teams, especially outside the Fortune 500, this can feel aspirational.

 

What’s Standing in the Way?

  1. Tool Fragmentation

    CTEM assumes an integrated security stack, but the reality is often dozens of disconnected tools. Getting them to speak the same language, and feed into a continuous loop, is no small task.


  2. People and Process Gaps

    Technology is only one piece. CTEM requires process maturity and cross-functional collaboration: security, IT, risk, compliance. Most organisations aren’t structured that way.


  3. Overpromising by Vendors

    Everyone’s slapping “CTEM” on their pitch decks. But very few tools provide genuine exposure management across the kill chain. Without careful vetting, you’ll end up with yet another dashboard that adds noise instead of clarity.

 

So... Does CTEM Work?

Yes - for organisations that are ready for it.

 

When done right, CTEM brings tangible value:

  • It reduces noise by focusing on what truly matters.

  • It bridges security and business risk.

  • It transforms red teaming from occasional exercise to operational function.

 

But it’s not a plug-and-play product. It’s a mindset shift and an operational framework. It requires discipline, orchestration, and the right mix of tools and talent.

 

The Bottom Line

CTEM isn’t snake oil. But it’s not magic either. It’s a powerful framework, when grounded in reality.

 

For CISOs considering a CTEM initiative, the question shouldn’t be, “Can CTEM work?”It should be, “Can we operationalise CTEM in our environment -with our people, our tools, and our priorities?”

 

If the answer is yes, you’re not chasing a trend. You’re building the future of proactive security.

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