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Cybersecurity · head to head

Tenable vs Sysdig

Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
Rated
-
Full reviewWebsite
Sysdig logo

Sysdig

Cybersecurity

Cloud-native runtime security platform with real-time detection and response

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations; Sysdig custom pricing requires sales contact, difficult to compare costs
  • They diverge on capability: Tenable covers Unified attack surface mapping, Sysdig covers Real-time threat detection and response.

Where they differ

Only the attributes on which Tenable and Sysdig actually diverge.

Attributes where Tenable and Sysdig differ
AttributeTenableSysdig
Starting price$3500/yearOn request
Pricing modelsubscriptionCustom pricing based on number of hosts, events processed, or time series data
PlatformsCloud, WebKubernetes, Docker, AWS, GCP, Azure, Cloud-native
FoundedUnknown2013

Identical on both: free tier (No), user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Tenable

  • Unified attack surface mapping
  • Exposure intelligence enrichment
  • Tenable Hexa AI orchestration
  • Cloud Exposure (CNAPP)
  • OT Exposure
  • Identity Exposure
  • Vulnerability Management
  • Attack Surface Management

Only in Sysdig

  • Real-time threat detection and response
  • Runtime intelligence
  • AI-powered security agents
  • Vulnerability management
  • Cloud Security Posture Management
  • Container and Kubernetes security
  • Infrastructure as Code security
  • Cloud Infrastructure Entitlement Management

What people use each for

The jobs each tool is most often brought in to do.

Tenable

  • Comprehensive vulnerability scanning for enterprise networksnot Sysdig
  • Cloud security monitoring and compliance for AWS, Azure, GCPnot Sysdig
  • Identity and access management risk assessmentnot Sysdig
  • Operational technology security for industrial systemsnot Sysdig
  • Attack surface management for third-party risknot Sysdig

Sysdig

  • Real-time threat detection in Kubernetes clustersnot Tenable
  • Container workload vulnerability prioritizationnot Tenable
  • Cloud security posture compliance monitoringnot Tenable
  • Infrastructure entitlement and permission analysisnot Tenable
  • AI workload security and threat remediationnot Tenable

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Tenable

  • Pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • Many enterprise features require custom quote and sales engagement
  • Cloud Exposure, OT Exposure, and other modules have no published pricing
  • Multi-year contracts common, limiting flexibility
  • Setup and configuration complexity for enterprise deployments

Sysdig

  • Custom pricing requires sales contact, difficult to compare costs
  • No published pricing tiers or calculator available
  • Primarily focused on cloud-native environments
  • Requires integration with existing SIEM or monitoring tools for full visibility
  • Steep learning curve for runtime security concepts

Pricing, plan by plan

Tenable

$3500/year
  • Tenable One Vulnerability Management$3500/year
    • Per 100 assets
    • Multi-year discounts available
  • Tenable One Web App Scanning$3578/year
    • Per 5 FQDNs
    • Annual subscription
  • Nessus Professional$4790/year
    • Vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year
  • Nessus Expert$6790/year
    • Advanced vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year

Sysdig

On request

No published plan breakdown. See the Sysdig review.

Which should you pick?

Choose Tenable if

  • You need unified attack surface mapping.
  • You work on Cloud, Web.
  • You also want exposure intelligence enrichment.
Tenable review

Choose Sysdig if

  • You need real-time threat detection and response.
  • You work on Kubernetes, Docker, AWS, GCP, Azure, Cloud-native.
  • You also want runtime intelligence.
Sysdig review

Questions people ask

Is Tenable or Sysdig better?
Neither clearly leads. Tenable starts at $3500/year and Sysdig at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Tenable or Sysdig?
Tenable starts at $3500/year and Sysdig at On request.
Does Tenable or Sysdig run on more platforms?
Tenable runs on Cloud, Web. Sysdig runs on Kubernetes, Docker, AWS, GCP, Azure, Cloud-native.
What is Tenable best used for?
Tenable is most often used for comprehensive vulnerability scanning for enterprise networks, cloud security monitoring and compliance for aws, azure, gcp, identity and access management risk assessment, operational technology security for industrial systems. Of those, comprehensive vulnerability scanning for enterprise networks and cloud security monitoring and compliance for aws, azure, gcp are not what Sysdig is typically brought in for.
What can Tenable do that Sysdig cannot?
Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP). Sysdig covers Real-time threat detection and response, Runtime intelligence, AI-powered security agents, Vulnerability management.

Answered from the vendors’ own pages

Tenable: How is Tenable One pricing structured?

Tenable One Vulnerability Management costs $3500/year per 100 assets. Web App Scanning is $3578/year per 5 FQDNs. Multi-year discounts are available.

Source
Sysdig: How does Sysdig achieve real-time threat detection?

Sysdig uses runtime intelligence with kernel-level system visibility, capturing live system calls to detect threats at machine speed, typically within 2 seconds.

Source
Tenable: What is the difference between Nessus Professional and Nessus Expert?

Nessus Professional costs $4790/year and provides core vulnerability scanning. Nessus Expert costs $6790/year and offers advanced scanning capabilities.

Source
Sysdig: What is runtime intelligence and how does it differ from configuration-based security?

Runtime intelligence reveals what is actually executing in cloud environments through kernel-level visibility, rather than relying on theoretical risks from configuration analysis alone.

Source
Tenable: Are custom support and training available for Tenable?

Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.

Source
Sysdig: What cloud platforms does Sysdig support?

Sysdig supports AWS, GCP, Azure, and IBM Cloud with multiple regional data centers across US, EU, and other regions.

Source
Sysdig: Does Sysdig integrate with existing security tools?

Yes, Sysdig integrates with existing SIEM and monitoring tools to provide unified security visibility across cloud infrastructure.

Source
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