Jul 13 2026
Security

Why CTEM Is Trending for Enterprises in 2026

In the age of agentic artificial intelligence, constant observability and continuous monitoring are becoming table stakes for cybersecurity efforts.

In enterprise cybersecurity, siloed and tool-centric approaches cannot keep up with the pace of threats.

Continuous threat exposure management looks to address this by shifting security from reactive to proactive — continuously discovering, validating and prioritizing risks across expanding digital footprints.

“The shift toward CTEM is being accelerated by AI,” says Stephen Sims, a research fellow at SANS Institute. “Continuous discovery, validation and prioritization are no longer just nice to have — they’re required to keep up.”

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Why Traditional Vulnerability Management Falls Short

There are a number of reasons why traditional vulnerability management is falling short in the AI era.

“If you look at what was done for vulnerability management historically, it was very, very static,” says Elad Koren, vice president of product management at Palo Alto Networks. “The good case was where you had a daily update of things, but even that is not enough with today’s world.”

In complex IT infrastructures, conventional cyber approaches can leave a visibility gap, which in turn becomes a liability. “If you do not continuously look at things, understand the landscape, understand the assets, then by design you’re blind for the majority of time,” he says.

Yet for many businesses, continuous real-time insights aren’t readily available. “In smaller environments, it’s often realistic for scanners to reach most systems,” Sims says. “In medium to large enterprises, that becomes impractical, and coverage turns into more of a statistical exercise, which inevitably leads to blind spots.”

READ MORE: Review this checklist to see if your organization is ready to adopt CTEM.

How CTEM Changes the Game

With CTEM, defenders shift their strategies. Key aspects of this approach include a five-phase cycle — scoping, discovery, validation, prioritization, mobilization — and vendor consolidation around CTEM platforms.

That’s essential at a time when AI is dramatically increasing the speed and scale of attacks. The assumption of a relatively stable threat landscape “no longer holds,” Sims says. “As attackers gain the ability to continuously discover and validate weaknesses, organizations have to adopt the same mindset.”

CTEM brings continuous discovery to the fight. That’s essential for threat management, “because you cannot protect what you cannot see,” Koren says. CTEM also focuses on validation, ensuring defenders’ efforts are directed at legitimate threats, “because if you fix something that you are not necessarily exposed to, you’re focusing your attention on the wrong thing.”

With CTEM, “you add that risk validation and pair it with the right mitigating controls and the operational intelligence,” he says. “It’s moving into active response, including both automated remediation as needed, and elevating the actions that you can and should take based on your specific infrastructure and environment.”

Stephen Sims headshot
Continuous discovery, validation and prioritization are no longer just nice to have — they’re required to keep up.”

Stephen Sims Research Fellow, SANS Institute

Shifting Toward a CTEM Strategy

Enterprise organizations can take steps today to begin shifting toward a CTEM strategy. They can start by adopting the same mindset and tooling as attackers, including continuous and proactive discovery, rather than periodic scanning.

This involves “building internal capability, leveraging open-source tools where appropriate and using commercial platforms that specialize in continuous exposure management,” Sims says. “The key is not just finding vulnerabilities but also continuously validating and prioritizing them based on real risk.”

IT leaders can look for solutions that give them greater visibility — a comprehensive, real-time inventory of the attack surface. From there, it’s important to adopt a business-critical lens aligning security efforts with business objectives. “That ensures that you’re focusing on what matters,” Koren says.

They also can look at consolidating the security stack. “By nature, organizations use many tools. You need to make sure that your CTEM tool understands that context and can take findings and insights from as many tools as possible,” he says.

Finally, they can begin to implement the active response: solutions that identify issues and empower remediation at the push of a button. “Once you go to that milestone, you can then start automating,” Koren says. “This is moving from knowing you have a problem to actually starting to solve that problem.”

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