Documented by Cortex Xpanse only: none.
Documented by watchTowr only: OWNED and PROVEN.
Documented by both: FOUND, CONTAINED and ROUTED.
HEAD-TO-HEAD
Cortex Xpanse vs watchTowr: which ASM tool takes an exposure further?
THE SHORT ANSWER
watchTowr scores higher overall on our weights, 7.25 to 6.40. Cortex Xpanse scores higher on Fits the enterprise stack and Buying transparency; watchTowr scores higher on Proves exploitability, Contains before the patch and Closes the loop; they tie on Finds the unlisted estate and Routes to an owner. The table below gives the reason for every score.
Cortex Xpanse
Rank 5 of 10
Best for: Palo Alto Networks Cortex estates that want automated response through XSOAR
watchTowr
Rank 2 of 10
Best for: Teams exposed to fast-moving exploits that want edge rules pushed while patches wait
Which tool scores higher on each criterion?
| Criterion | Cortex Xpanse | watchTowr | Higher |
|---|---|---|---|
Finds the unlisted estate 15%WhyCortex Xpanse: Palo Alto Networks states it scans all 4.3 billion IPv4 addresses several times a day and 500 billion+ ports daily. watchTowr: Maps the external estate including subsidiaries, brands and acquired companies, with zero install. | 8 / 10 | 8 / 10 | Tie |
Routes to an owner 10%WhyCortex Xpanse: Identifies third-party stakeholders for exposures; subsidiary attribution detail is not on the pages reviewed. watchTowr: Maps assets to subsidiaries, brands and M&A; the evidence behind each attribution is described only briefly. | 7 / 10 | 7 / 10 | Tie |
Proves exploitability 20%WhyCortex Xpanse: Exploitability validation is not described on the product pages reviewed; the emphasis is discovery and response. watchTowr: Eight automated red-teaming agents, from web applications to credential stuffing and DNS, and Project Red reproduces emerging vulnerabilities to validate exposure. | 5 / 10 | 9 / 10 | watchTowr |
Contains before the patch 20%WhyCortex Xpanse: Active Response runs built-in automated playbooks against exposures; edge WAF rules are not named. watchTowr: Active Defense pushes ready-to-use rules to existing WAFs, firewalls, IPS and IDS, naming Cloudflare, Akamai, Imperva, F5, Fortinet, Check Point and Citrix. | 7 / 10 | 8 / 10 | watchTowr |
Closes the loop 15%WhyCortex Xpanse: Routes and remediates through Cortex XSOAR playbooks; a retest after the fix is not described. watchTowr: Creates work in eight named ticketing tools and re-tests the hour a threat emerges; a retest after your own fix is not described separately. | 6 / 10 | 7 / 10 | watchTowr |
Fits the enterprise stack 10%WhyCortex Xpanse: Native ties to Cortex XSOAR and Prisma Cloud inside the Palo Alto Networks Cortex portfolio. watchTowr: Eight ticketing and workflow connections and seven edge vendors; SIEM connections are not named on the pages reviewed. | 9 / 10 | 7 / 10 | Cortex Xpanse |
Buying transparency 10%WhyCortex Xpanse: No price from Palo Alto Networks; a UK G-Cloud reseller listing shows £70,850.84 per instance per year. watchTowr: No pricing published. | 3 / 10 | 2 / 10 | Cortex Xpanse |
Which steps does each tool document?
Cortex Xpanse
- FOUNDDocumented
Internet-wide IPv4 scanning several times a day.
- OWNEDPartial
Third-party stakeholders identified; subsidiary attribution not detailed.
- PROVENNot documented
Exploitability validation not described on the pages reviewed.
- CONTAINEDDocumented
Active Response automated playbooks.
- ROUTEDDocumented
Routing and remediation through Cortex XSOAR playbooks.
- RECHECKEDNot documented
Retest after a fix not described.
watchTowr
- FOUNDDocumented
Maps the external estate including subsidiaries, brands and acquired companies.
- OWNEDDocumented
Assets mapped to subsidiaries, brands and M&A.
- PROVENDocumented
Eight red-teaming agents; Project Red reproduces new vulnerabilities.
- CONTAINEDDocumented
Active Defense pushes rules to seven named edge vendors.
- ROUTEDDocumented
Eight named ticketing and workflow tools.
- RECHECKEDPartial
Rapid Reaction re-tests when a threat emerges; a retest after your own fix is not described separately.
Partial counts as not documented for these three lines.
What do they cost?
Cortex Xpanse
No price from Palo Alto Networks. Reseller price: a UK G-Cloud 14 listing by Khipu Networks shows £70,850.84 per instance per year, no free trial, public-facing attack surface only.
To start: Not published on the pages reviewed.
watchTowr
Not published
To start: Zero install, per watchTowr. Required inputs are not listed on the pages reviewed.
Which should you choose?
Choose Cortex Xpanse if
- it matters most to you that it fits the enterprise stack (9/10)
- it matters most to you that it finds the unlisted estate (8/10)
Choose Cortex Xpanse if Cortex XSOAR already runs your response and you want exposures acted on by playbook. Look elsewhere if proof of exploitability is your main gap.
Choose watchTowr if
- it matters most to you that it proves exploitability (9/10)
- it matters most to you that it contains before the patch (8/10)
Choose watchTowr if new exploits reach your perimeter faster than patches do and you want validation and edge rules from one service. Look elsewhere if you need a published price or detailed evidence behind every ownership decision.
Frequently asked questions
Which proves exploitability better, Cortex Xpanse or watchTowr?
watchTowr scores higher on our proof criterion (Cortex Xpanse 5/10, watchTowr 9/10). Cortex Xpanse: Exploitability validation is not described on the product pages reviewed; the emphasis is discovery and response. watchTowr: Eight automated red-teaming agents, from web applications to credential stuffing and DNS, and Project Red reproduces emerging vulnerabilities to validate exposure.
Can Cortex Xpanse or watchTowr contain an exposure before the patch?
Cortex Xpanse documents one: Active Response automated playbooks. watchTowr documents one: Active Defense pushes rules to seven named edge vendors. Contain scores: Cortex Xpanse 7/10, watchTowr 8/10.
Which is easier to buy, Cortex Xpanse or watchTowr?
Cortex Xpanse: No price from Palo Alto Networks. Reseller price: a UK G-Cloud 14 listing by Khipu Networks shows £70,850.84 per instance per year, no free trial, public-facing attack surface only. watchTowr: Not published. Buying transparency scores: Cortex Xpanse 3/10, watchTowr 2/10.
Read next
- Cortex Xpanse profile
Scores, sources and pricing
- watchTowr profile
Scores, sources and pricing
- Beyond Cortex Xpanse: alternatives
Eight alternatives ranked
- Beyond watchTowr: alternatives
Eight alternatives ranked
- Line them up
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