Searchlight Exposure is a commercial external attack surface management solution by Searchlight Cyber. Sublist3r 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: Teams wanting hourly scans and zero-day warnings
It earns a place on speed, because hourly scans and its own vulnerability research mean you hear about a new exposure or zero-day sooner. That suits a team whose external footprint changes every day. Ask how its proof-of-concept exploits are shared and used, because they are strong evidence but need careful handling.
From Best Attack Surface Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
ASM platform that scans external attack surfaces hourly for vulnerabilities
Sublist3r is a python tool for enumerating subdomains using OSINT and various search engines.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Searchlight Exposure fits if you want a cloud product.
Sublist3r fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
Common questions when comparing Searchlight Exposure vs Sublist3r for external attack surface management.
Searchlight Exposure: ASM platform that scans external attack surfaces hourly for vulnerabilities. Built by Searchlight Cyber.
Sublist3r: Sublist3r is a python tool for enumerating subdomains using OSINT and various search engines.
The table above shows where their features, integrations, deployment and company size fit differ.
Searchlight Exposure is made by Searchlight Cyber founded in 2017-01-01T00:00:00.000Z. Sublist3r is open-source with 10,855 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Searchlight Exposure and Sublist3r are both External Attack Surface Management products, and both cover Subdomain Enumeration. Key differences: Searchlight Exposure is Commercial while Sublist3r is Free, Sublist3r is open-source. 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
