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CNAPP Software · Rank #6 of 10

Tenable Cloud Security review and pricing

Vulnerability-management heritage bolted into CNAPP via the Ermetic acquisition.

By Tenable · Founded 2002 · Columbia, MD · public

Tenable Cloud Security is the CNAPP arm of public-company vulnerability-management leader Tenable (NASDAQ: TENB), built primarily on the foundation of the October 2023 Ermetic acquisition ($265M). Ermetic was a credible standalone CIEM and CNAPP startup, and the acquisition gave Tenable a path to extend its Nessus and Tenable.io vulnerability-management franchise into multi-cloud posture and entitlement management. Strengths: defensible vulnerability-management heritage with deep CVE coverage, public-company stability, strong CIEM through the Ermetic-acquired engineering team, broad cloud-account coverage across AWS, Azure, and GCP, and credible platform consolidation for Tenable-stack buyers who want vuln-management plus CNAPP from one vendor. Trade-offs: post-acquisition integration risk is real (the Ermetic-Tenable platform unification is still in progress 18 months after the deal closed), CNAPP feature breadth trails Wiz and Prisma Cloud, runtime protection story is thinner than Sysdig and Aqua, brand recognition in CNAPP buying committees trails the pure-plays, and some buyer reports of Ermetic-era roadmap commitments slipping under Tenable ownership.

Visit Tenable Cloud Security Vendor pricing Compare to Palo Alto Prisma Cloud
Best for

Tenable-stack security teams that want consolidated vulnerability-management plus CNAPP reporting from one vendor. Particularly strong for organizations with substantial existing Nessus or Tenable.io footprint, CIEM-anchored buyers who valued the Ermetic engineering approach, and mid-market enterprises that prefer public-company vendor stability over pure-play independence. Sweet spot 500 to 50,000 employees.

Worst for

Buyers prioritizing CNAPP feature breadth and category-leader brand (Wiz fits better), runtime-forensics-anchored buyers (Sysdig fits better), kubernetes-first estates (Aqua fits better), Palo Alto-stack consolidators, and buyers who do not value Tenable.io vuln-management heritage.

Vendor Trust Score

Is Tenable Cloud Security a trustworthy vendor?

7.3/10
Mixed
Pricing transparency
Published rates; no hidden fees
6.0
Contract fairness
Reasonable terms; no auto-renew traps
7.5
Incident response
How they handle outages and breaches
8.5
Post-acquisition behavior
Customer treatment after M&A or PE
6.5
Executive stability
Leadership churn over 24 months
8.5
Roadmap honesty
Public commitments held
7.0
Trust signal log
  • 2023-10-02
    Tenable acquired Ermetic for $265M
    The Ermetic acquisition gave Tenable credible CIEM and CNAPP capability bolted onto the Nessus and Tenable.io vuln-management franchise; integration is multi-quarter work and remains a buyer evaluation factor.
  • 2024-08-14
    Tenable One unified platform announced with CNAPP folded in
    Tenable launched the Tenable One bundle to present vuln-management plus CNAPP plus exposure-management as one console; some buyer reports of UX inconsistency persist 18 months after Ermetic close.
  • 2025-03-05
    Buyer reports of Ermetic-era roadmap commitments slipping
    Multiple verified buyer disclosures through late 2024 and 2025 cite Ermetic-era roadmap commitments slipping under Tenable ownership; post-acquisition integration risk persists.
Vendor Trust is scored independently of product quality. A great product from an unfair vendor still earns a low trust score.
Review Intelligence

What 180 reviews actually say

Synthesized from G2, Capterra, Reddit, Trustpilot. Patterns >15% prevalence shown.

Last synthesized
2026-04-29

Praise patterns

  • Strong CIEM through Ermetic-acquired engineering
    78% →
  • Public-company stability and multi-year roadmap visibility
    71% →
  • Established compliance reporting heritage from Nessus
    64% →
  • Reasonable pricing relative to Wiz and Prisma Cloud
    51% →

Complaint patterns

  • Post-acquisition integration risk; Ermetic-Tenable unification ongoing
    64% →
  • CNAPP feature breadth trails Wiz and Prisma Cloud
    47% →
  • Runtime protection story thinner than Sysdig and Aqua
    41% →
  • Ermetic-era roadmap commitments slipping under Tenable
    38% ↑
Sentiment trend (6 months)
75/100 -1 pts
12
01
02
03
04
05
Patterns are extracted from review corpus and human-verified. We surface trends, not anecdotes.
Verified Pricing

What buyers actually pay

96 anonymized deal disclosures · last updated 2026-05-01

Contribute your deal price
Company size Median annual
500 to 5,000 employees $180,000
5,000 to 25,000 employees $520,000
25,000+ employees $1,300,000
Verified pricing is crowdsourced from buyers under anonymity guarantees. Vendor-listed prices are validated against actual deals quarterly.
Compliance & Security

Auto-verified certifications

Verified 2026-05-01
SOC 2 Type II
ISO 27001
HIPAA
GDPR
CCPA
PCI DSS
FedRAMP Authorized

Editorial: Strengths

  • Defensible vulnerability-management heritage with deep CVE coverage
  • Public-company stability (NASDAQ: TENB) and multi-year roadmap visibility
  • Strong CIEM through Ermetic-acquired engineering team
  • Broad cloud-account coverage across AWS, Azure, GCP
  • Credible platform consolidation for Tenable-stack buyers
  • Established compliance and reporting heritage from Nessus and Tenable.io
  • Reasonable pricing relative to Wiz and Prisma Cloud

Editorial: Weaknesses

  • Post-acquisition integration risk; Ermetic-Tenable unification still in progress
  • CNAPP feature breadth trails Wiz and Prisma Cloud
  • Runtime protection story thinner than Sysdig and Aqua
  • Brand recognition in CNAPP buying committees trails pure-plays
  • Buyer reports of Ermetic-era roadmap commitments slipping
  • Kubernetes-native depth trails Aqua and Sysdig
  • List pricing not public; everything goes through quote

Key features & integrations

  • +CSPM across AWS, Azure, GCP
  • +CWPP with workload posture and image scanning
  • +CIEM with permission-graph analysis (Ermetic heritage)
  • +KSPM with kubernetes posture
  • +IaC scanning across Terraform, CloudFormation
  • +Vulnerability management integration with Nessus and Tenable.io
  • +Unified Tenable One platform console
  • +Compliance reporting heritage from Nessus
  • +SIEM and ticketing integrations
  • +Public-company support SLAs
60+ integrations
AWSAzureGCPKubernetesNessusTenable.ioSplunkServiceNowJiraPagerDuty
Geography supported
Global; strongest in US, EMEA
Best fit
500 to 100,000 employees · Tenable-stack enterprises consolidating vuln-management plus CNAPP
Editorial deep-dive

Read our full ranking of CNAPP Software

Tenable Cloud Security ranks #6 in our editorial review of 10 cnapp software platforms. The deep-dive covers methodology, comparison tables, decision matrix, migration scoring, and FAQs.

Read the full ranking

Closest alternatives in CNAPP Software

#5
Palo Alto Prisma Cloud
Broadest enterprise CNAPP platform; deepest license, heaviest integration.
★ 4.3 opaque
#7
Lacework
Polygraph-based CNAPP now operating as a Fortinet subsidiary after a sharp 2024 down round.
★ 4.2 opaque
#4
Sysdig
Runtime visibility leader; Falco creator extended into full CNAPP.
★ 4.6 opaque
Help the next buyer

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