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Compare vendors

Side-by-side from public catalog data. 2 vendors.

Trust profileHow to read thisFive separate questions, each answered from that vendor's own evidence. There is deliberately no overall score and no combined shape — a single number would mostly reflect how much of each vendor we have managed to scan, not how they compare. Not checked means we have not looked yet and is never counted against a vendor, so a row of "not checked" is not a tie-breaker. Full evidence for each vendor is on its own page.

DimensionSeemplicityTenable
Independently verifiedHas anyone other than the vendor confirmed this?Limitedchecked 3 of 4Limitedchecked 3 of 4
Operating durabilityIs this a real, durable business?Limitedchecked 2 of 4Strongchecked 3 of 4
Behaviour under stressWhat do they do when something goes wrong?Limitedchecked 2 of 3Mixedchecked 2 of 3
Disclosure postureDo they tell you the awkward things unprompted?Limitedchecked 2 of 3Limitedchecked 2 of 3
MomentumAre they still shipping, or coasting?Limitedchecked 1 of 2Limitedchecked 1 of 2
AttributeSeemplicityTenable
Websiteseemplicity.io ↗tenable.com ↗
StatusUnclaimedUnclaimed
CategoriesVulnerability Management, Threat Exposure Management (CTEM)Vulnerability Management, Application Security (ASPM), Threat Exposure Management (CTEM)
Total products88
Public materials (datasheets, whitepapers, case studies)None found25 found →
Certifications (compliance claims, keyword-matched)None foundNone found
Security headers (vendor's own website)5/53/5
Publishes pricing (vs. “contact us”-only)NoNo
Publishes a status pageNoYes →
GitHub org (open-source presence)NoYes →
Domain registered (RDAP, registry record)Not checked1997 →
DNSSEC (their own domain)NoYes →
CAA (restricts which CAs can issue certs)Yes →Yes →
Trust center (live compliance portal)NoNo
HSTS preloaded (HTTPS enforced from the first connection)NoNo
Threat Exposure Management (CTEM)
  • Agentic Workforce (Seema AI)
  • Executive Insights
  • Remediation Operations (RemOps) Platform
  • Seemplicity Exposure Management
  • Seemplicity RemOps
  • Seemplicity RemOps Capability Assessment
  • Tenable One
Vulnerability Management
  • Dynamic Mobilization
  • Signal Collection
  • Nessus Professional
  • Tenable Nessus
  • Tenable Vulnerability Management
Application Security (ASPM)—
  • Tenable Web App Scanning
Attack Surface Management (ASM)—
  • Tenable Attack Surface Management
Cloud-Native Application Protection (CNAPP)—
  • Tenable Cloud Security
OT / ICS Security—
  • Tenable OT Exposure