HEAD TO HEAD · SCORED SEPTEMBER 2026 · CROWDSTRIKE EASM ADDED 13 OCTOBER 2026
Tenable ASM vs Censys ASM: attack surface management compared
Quick answer
Tenable ASM scores 6.05 to Censys ASM's 5.85 on our weights, a gap of 0.20. Tenable ASM leads on remediation and integrations; Censys ASM leads on pricing transparency. They tie on discovery, attribution, exploitability validation and time to value.
Scored September 2026 · CrowdStrike EASM added 13 October 2026 · Drawn from vendor product pages, docs and public pricing
How do Tenable ASM and Censys ASM compare on each criterion?
| Criterion | Weight | Tenable ASM | Censys ASM | Winner |
|---|---|---|---|---|
| Discovery of unknown assets and subsidiaries | 20% | 7 | 7 | Tie |
| Attribution accuracy and false-positive handling | 15% | 6 | 6 | Tie |
| Exploitability validation | 15% | 5 | 5 | Tie |
| Remediation and mitigation support | 20% | 6 | 5 | Tenable ASM |
| Integrations and platform reach | 10% | 9 | 8 | Tenable ASM |
| Time to value | 10% | 6 | 6 | Tie |
| Pricing transparency | 10% | 3 | 4 | Censys ASM |
Tenable ASM leads on 2 criteria, Censys ASM on 1, 4 tied. Weighted: Tenable ASM 6.05, Censys ASM 5.85.
What does a finding arrive with in each?
Tenable ASM
- Owner or subsidiary attributedNot documented
- Exploitability provenNot documented
- Ticket or workflow createdPartial
- Compensating control appliedPartial
- Fix retestedNot documented
Censys ASM
- Owner or subsidiary attributedNot documented
- Exploitability provenPartial
- Ticket or workflow createdDocumented
- Compensating control appliedNot documented
- Fix retestedNot documented
Where does each one win?
Tenable ASM wins on
Remediation and mitigation support: 6 vs 5
Tenable One's Hexa AI engine orchestrates automated remediation workflows, which requires buying into Tenable One.
Integrations and platform reach: 9 vs 8
Feeds Tenable One alongside vulnerability, cloud, OT and identity exposure data, with Tenable One Connectors for third-party sources.
Censys ASM wins on
Pricing transparency: 4 vs 3
A free Censys platform account exists; ASM itself is contact sales.
Tied: Discovery of unknown assets and subsidiaries (7), Attribution accuracy and false-positive handling (6), Exploitability validation (5), Time to value (6).
How do Tenable ASM and Censys ASM price?
| Item | Tenable ASM | Censys ASM |
|---|---|---|
| Pricing | ASM: quote only. Tenable publishes prices for some adjacent products. | ASM: contact sales. A free Censys platform account exists. |
| Deployment | SaaS, part of Tenable One | SaaS |
| Pricing transparency score | 3 | 4 |
Prices and pricing bases as published by each vendor and reviewed in September 2026. 'Not published' means we did not find it on the vendor's public pages.
Should you choose Tenable ASM or Censys ASM?
Choose Tenable ASM if
- The tool has to fit a wider security platform or many existing tools. Tenable ASM scores 9 on integrations: Feeds Tenable One alongside vulnerability, cloud, OT and identity exposure data, with Tenable One Connectors for third-party sources.
- Finding unknown assets, subsidiaries and acquired infrastructure is your main gap. Tenable ASM scores 7 on discovery: Draws on an attack surface map of more than 5 billion assets to identify domains related to the buyer's inventory.
Choose Censys ASM if
- The tool has to fit a wider security platform or many existing tools. Censys ASM scores 8 on integrations: Jira, ServiceNow ITSM and CMDB, Tenable VM, Google Security Operations, Microsoft Sentinel, Axonius, Brinqa, Slack, Webex, plus AWS, Google Cloud and Azure.
- Finding unknown assets, subsidiaries and acquired infrastructure is your main gap. Censys ASM scores 7 on discovery: First-party scanning across all 65K ports finds services on nonstandard ports and hosts with self-signed certificates; discovery expands from seeds the customer supplies.
On our default weights Tenable ASM comes out ahead. Change the weights in the score calculator to see whether that holds for your priorities.
Frequently asked questions
Is Tenable ASM better than Censys ASM?
On our weights Tenable ASM scores higher, 6.05 to 5.85. Tenable ASM leads on 2 criteria and Censys ASM on 1 criterion, with 4 tied. The better choice depends on which criteria matter most to you; the score calculator lets you change the weights.
What do Tenable ASM and Censys ASM cost?
Tenable ASM: ASM: quote only. Tenable publishes prices for some adjacent products. Censys ASM: ASM: contact sales. A free Censys platform account exists.
Which one does more to help fix exposures?
Tenable ASM scores 6 on remediation and mitigation support against 5 for Censys ASM. Tenable ASM: Tenable One's Hexa AI engine orchestrates automated remediation workflows, which requires buying into Tenable One.
Sources: Attack Surface Management, Tenable One, Buy, External exposure management, Pricing, Integrations, ASM get started, Seed your attack surface · Reviewed September 2026