# EASM Compared
> Editorial rankings of attack surface management (ASM and EASM) tools by how far they carry an exposure from discovery to proof of exploitability, a compensating control, an owner's ticket and a retest. Ten tools scored 0 to 10 on seven published, weighted criteria. Vendor facts read September 2026, updated 13 October 2026.

## Rankings and method
- [ASM tools compared](https://easmcompared.com/): the lead question and the ranking
- [ASM rankings](https://easmcompared.com/asm-rankings): every score, closure tracks, head-to-heads
- [How we weigh](https://easmcompared.com/how-we-weigh): criteria, weights, sensitivity, limits
- [Closure track data (CSV)](https://easmcompared.com/data/closure-track.csv)

## Tools
- [IONIX](https://easmcompared.com/asm-tool/ionix): Large enterprises with many subsidiaries that want exposures contained and fixed, not only listed
- [watchTowr](https://easmcompared.com/asm-tool/watchtowr): Teams exposed to fast-moving exploits that want edge rules pushed while patches wait
- [CyCognito](https://easmcompared.com/asm-tool/cycognito): Teams that want proof and a retested fix, starting from nothing but a company name
- [Hadrian](https://easmcompared.com/asm-tool/hadrian): Teams replacing periodic external pentests with continuous, agent-based proof
- [Cortex Xpanse](https://easmcompared.com/asm-tool/cortex-xpanse): Palo Alto Networks Cortex estates that want automated response through XSOAR
- [CrowdStrike EASM](https://easmcompared.com/asm-tool/crowdstrike-easm): CrowdStrike Falcon customers who want external exposure in the same console as endpoint and vulnerability data
- [Tenable ASM](https://easmcompared.com/asm-tool/tenable-asm): Tenable One customers who want external assets in the same exposure view
- [Rapid7 Surface Command](https://easmcompared.com/asm-tool/rapid7-surface-command): Rapid7 customers who want external and internal inventory in one product
- [Censys ASM](https://easmcompared.com/asm-tool/censys-asm): Threat intelligence and hunting teams that want raw internet scan evidence
- [Microsoft Defender EASM](https://easmcompared.com/asm-tool/microsoft-defender-easm): Azure-first teams that want a self-serve start and Azure billing

## Compare
- [Line them up](https://easmcompared.com/line-them-up)
- [Exposure triage calculator](https://easmcompared.com/exposure-triage-calculator)
- Head-to-heads: https://easmcompared.com/asm-rankings#head-to-head
- Alternatives: https://easmcompared.com/asm-rankings#beyond

## Learn
- [ASM academy](https://easmcompared.com/asm-academy): 10 lessons
- [ASM dictionary](https://easmcompared.com/asm-dictionary)
- [ASM questions](https://easmcompared.com/asm-questions)
- [Field reports](https://easmcompared.com/field-reports)