Softwr

Cybersecurity · head to head

Sysdig vs Tenable

Sysdig logo

Sysdig

Cybersecurity

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

From
On request
Rated
-
Full reviewWebsite
Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
Rated
-
Full reviewWebsite

The short version

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

Where they differ

Only the attributes on which Sysdig and Tenable actually diverge.

Attributes where Sysdig and Tenable differ
AttributeSysdigTenable
Starting priceOn request$3500/year
Pricing modelCustom pricing based on number of hosts, events processed, or time series datasubscription
PlatformsKubernetes, Docker, AWS, GCP, Azure, Cloud-nativeCloud, Web
Founded2013Unknown

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 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

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

What people use each for

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

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

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

Where each one falls short

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

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

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

Pricing, plan by plan

Sysdig

On request

No published plan breakdown. See the Sysdig review.

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

Which should you pick?

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

Choose Tenable if

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

Questions people ask

Is Sysdig or Tenable better?
Neither clearly leads. Sysdig starts at On request and Tenable at $3500/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Sysdig or Tenable?
Sysdig starts at On request and Tenable at $3500/year.
Does Sysdig or Tenable run on more platforms?
Sysdig runs on Kubernetes, Docker, AWS, GCP, Azure, Cloud-native. Tenable runs on Cloud, Web.
What is Sysdig best used for?
Sysdig is most often used for real-time threat detection in kubernetes clusters, container workload vulnerability prioritization, cloud security posture compliance monitoring, infrastructure entitlement and permission analysis. Of those, real-time threat detection in kubernetes clusters and container workload vulnerability prioritization are not what Tenable is typically brought in for.
What can Sysdig do that Tenable cannot?
Sysdig covers Real-time threat detection and response, Runtime intelligence, AI-powered security agents, Vulnerability management. Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP).

Answered from the vendors’ own pages

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: 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: 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: 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 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
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: 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
Share

Related pages

More on Sysdig

More on Tenable

Keep looking

Other head to heads