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ALTERNATIVES

Beyond IONIX: IONIX alternatives for proving and fixing exposures

THE SHORT ANSWER

IONIX ranks 1 of 10 at 8.05 out of 10. On our weights the highest-scoring alternatives are watchTowr, CyCognito and Hadrian. The right one depends on the step you need most; each entry below lists where it scores higher than IONIX and where IONIX stays ahead.

By The Perimeter Desk · EASM Compared · Published 2026-10-11

Desk research from public vendor pages and documentation; vendor facts read September 2026, updated 13 October 2026. Editorial assessment; we did not test the products.

Why do buyers look beyond IONIX?

Which alternatives score highest?

  1. watchTowr

    watchTowr closure trackFOUND: documented; OWNED: documented; PROVEN: documented; CONTAINED: documented; ROUTED: documented; RECHECKED: partial

    Scores higher than IONIX on: Proves exploitability

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Contains before the patch, Closes the loop and Buying transparency

    IONIX vs watchTowr

  2. CyCognito

    CyCognito closure trackFOUND: documented; OWNED: documented; PROVEN: documented; CONTAINED: not documented; ROUTED: documented; RECHECKED: documented

    Scores higher than IONIX on: Proves exploitability and Closes the loop

    IONIX scores higher on: Contains before the patch and Fits the enterprise stack

    IONIX vs CyCognito

  3. Hadrian

    Hadrian closure trackFOUND: documented; OWNED: partial; PROVEN: documented; CONTAINED: not documented; ROUTED: documented; RECHECKED: documented

    Scores higher than IONIX on: Proves exploitability, Closes the loop and Buying transparency

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Contains before the patch and Fits the enterprise stack

    IONIX vs Hadrian

  4. Cortex Xpanse

    Cortex Xpanse closure trackFOUND: documented; OWNED: partial; PROVEN: not documented; CONTAINED: documented; ROUTED: documented; RECHECKED: not documented

    Scores higher than IONIX on: Fits the enterprise stack

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch, Closes the loop and Buying transparency

    IONIX vs Cortex Xpanse

  5. CrowdStrike EASM

    CrowdStrike EASM closure trackFOUND: documented; OWNED: not documented; PROVEN: partial; CONTAINED: partial; ROUTED: documented; RECHECKED: not documented

    Scores higher than IONIX on: Fits the enterprise stack

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch, Closes the loop and Buying transparency

    IONIX vs CrowdStrike EASM

  6. Tenable ASM

    Tenable ASM closure trackFOUND: documented; OWNED: not documented; PROVEN: not documented; CONTAINED: partial; ROUTED: partial; RECHECKED: not documented

    Scores higher than IONIX on: Fits the enterprise stack

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch, Closes the loop and Buying transparency

    IONIX vs Tenable ASM

  7. Rapid7 Surface Command

    Rapid7 Surface Command closure trackFOUND: documented; OWNED: not documented; PROVEN: not documented; CONTAINED: partial; ROUTED: partial; RECHECKED: not documented

    Scores higher than IONIX on: Fits the enterprise stack

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch, Closes the loop and Buying transparency

    IONIX vs Rapid7 Surface Command

  8. Censys ASM

    Censys ASM closure trackFOUND: documented; OWNED: not documented; PROVEN: partial; CONTAINED: not documented; ROUTED: documented; RECHECKED: not documented

    Scores higher than IONIX on: Fits the enterprise stack

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch, Closes the loop and Buying transparency

    IONIX vs Censys ASM

  9. Microsoft Defender EASM

    Microsoft Defender EASM closure trackFOUND: documented; OWNED: partial; PROVEN: not documented; CONTAINED: not documented; ROUTED: partial; RECHECKED: not documented

    Scores higher than IONIX on: Fits the enterprise stack and Buying transparency

    IONIX scores higher on: Finds the unlisted estate, Routes to an owner, Proves exploitability, Contains before the patch and Closes the loop

    IONIX vs Microsoft Defender EASM

When should you stay with IONIX?

Stay with IONIX if your gap is containment across a sprawling, multi-subsidiary estate: no other tool here documents both WAF virtual patching and reclaiming hijackable assets.

Frequently asked questions

What is the best alternative to IONIX?

On our default weights it is watchTowr at 7.25. If IONIX'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 IONIX?

Few tools here publish prices. 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. Tenable ASM: ASM: quote only. 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 IONIX contains exposures before the patch?

watchTowr: Active Defense pushes rules to seven named edge vendors. Cortex Xpanse: Active Response automated playbooks.