Palo Alto Networks Cortex Xpanse is a commercial external attack surface management solution by Palo Alto Networks. PublicWWW is a free external attack surface management solution. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Large companies wanting automated fixes for exposures
It earns a place because it goes past listing exposures, since automated playbooks close them without a ticket, which suits a large company with a sprawling footprint. It fits mid-market and enterprise teams. Agree up front which fixes the playbooks may run on their own, because automatic changes to live assets need an owner.
From Best Attack Surface Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Active attack surface mgmt solution for discovering & remediating unknown risks
A source code search engine for searching alphanumeric snippets, signatures, or keywords in web page HTML, JS, and CSS code.
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Based on what each listing shows: deployment, company size, price and open source.
PublicWWW fits if you are a startup or a small business and you need a free product.
Common questions when comparing Palo Alto Networks Cortex Xpanse vs PublicWWW for external attack surface management.
Palo Alto Networks Cortex Xpanse: Active attack surface mgmt solution for discovering & remediating unknown risks. Built by Palo Alto Networks.
PublicWWW: A source code search engine for searching alphanumeric snippets, signatures, or keywords in web page HTML, JS, and CSS code.
The table above shows where their features, integrations, deployment and company size fit differ.
Often, yes. Palo Alto Networks Cortex Xpanse and PublicWWW are both External Attack Surface Management products, and both cover Reconnaissance. Key differences: Palo Alto Networks Cortex Xpanse is Commercial while PublicWWW is Free. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best Attack Surface Management Solutions for Business picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.See the shortlist
