ALTERNATIVES
Beyond Tenable ASM: Tenable ASM alternatives for proving and fixing exposures
THE SHORT ANSWER
Tenable ASM ranks 7 of 10 at 5.40 out of 10. On our weights the highest-scoring alternatives are IONIX, watchTowr and CyCognito. The right one depends on the step you need most; each entry below lists where it scores higher than Tenable ASM and where Tenable ASM stays ahead.
Why do buyers look beyond Tenable ASM?
- Proof and remediation depend on Tenable One rather than ASM alone.
- ASM is quote-only.
- Subsidiary or owner attribution is not described.
Which alternatives score highest?
IONIX
Scores higher than Tenable ASM on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch, Closes the loop and Buying transparency
Tenable ASM scores higher on: Fits the enterprise stack
watchTowr
Scores higher than Tenable ASM on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch and Closes the loop
Tenable ASM scores higher on: Fits the enterprise stack and Buying transparency
CyCognito
Scores higher than Tenable ASM on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Closes the loop and Buying transparency
Tenable ASM scores higher on: Contains before the patch and Fits the enterprise stack
Hadrian
Scores higher than Tenable ASM on: Routes to an owner, Proves exploitability, Closes the loop and Buying transparency
Tenable ASM scores higher on: Contains before the patch and Fits the enterprise stack
Cortex Xpanse
Scores higher than Tenable ASM on: Finds the unlisted estate, Routes to an owner, Contains before the patch and Closes the loop
Tenable ASM scores higher on: no criterion
CrowdStrike EASM
Scores higher than Tenable ASM on: Contains before the patch and Closes the loop
Tenable ASM scores higher on: Routes to an owner and Fits the enterprise stack
Rapid7 Surface Command
Scores higher than Tenable ASM on: Buying transparency
Tenable ASM scores higher on: Finds the unlisted estate and Fits the enterprise stack
Censys ASM
Scores higher than Tenable ASM on: Closes the loop and Buying transparency
Tenable ASM scores higher on: Contains before the patch and Fits the enterprise stack
Microsoft Defender EASM
Scores higher than Tenable ASM on: Routes to an owner and Buying transparency
Tenable ASM scores higher on: Proves exploitability, Contains before the patch, Closes the loop and Fits the enterprise stack
When should you stay with Tenable ASM?
Stay with Tenable ASM if Tenable One is your exposure platform and you want external assets in the same view.
Frequently asked questions
What is the best alternative to Tenable ASM?
On our default weights it is IONIX at 8.05. If Tenable ASM's weakest criterion, buying transparency, matters most to you, Hadrian and Microsoft Defender EASM score highest there (7/10).
Is there a cheaper alternative to Tenable ASM?
Few tools here publish prices. IONIX: AWS Marketplace, 1-month contract, cost per month: Silver Plan (monthly monitoring) $25,000; Gold Plan (weekly monitoring) $35,000; Platinum Plan (continuous monitoring) $45,000. CyCognito: Pricing basis published: total asset volume for ASM; active IPs and web applications for exposure validation. Hadrian: NOVA agentic penetration test: from 1,250 euros per test excluding VAT. Cortex Xpanse: No price from Palo Alto Networks. Microsoft Defender EASM: Billed through Azure on billable assets (approved host:IP combinations, domains and IP addresses) after a 30-day free trial. The rest publish no price.
Which alternative to Tenable ASM contains exposures before the patch?
IONIX: Agentic mitigation invokes compensating controls: WAF rules within the 12-hour SLA; Active Protection reclaims hijackable assets. watchTowr: Active Defense pushes rules to seven named edge vendors. Cortex Xpanse: Active Response automated playbooks.
Read next
- Tenable ASM profile
Scores, sources and pricing
- Exposure triage calculator
Set your own weights and must-haves
- Line them up
Tenable ASM against the top two alternatives