Map your attack surface
before someone else does
Discover subdomains, check DNS records, search for CVEs, and monitor certificate transparency logs using Apify actors. Build an external attack surface inventory.
The problem
Security teams need to continuously discover their external attack surface — subdomains, exposed services, vulnerable software, and certificate issues. Commercial ASM platforms cost $10,000+/year. Manual OSINT takes hours per domain.
The solution
Apify actors connect to public security databases: NVD for CVEs, crt.sh for certificate transparency, DNS lookups for infrastructure mapping, and CISA KEV for actively exploited vulnerabilities. Run batch queries and get structured results for your security team.
How it works
List your domains
Start with your primary domains and known subdomains. Certificate transparency searches often reveal subdomains you did not know existed.
Run discovery actors
Use crt.sh search for subdomain discovery, DNS record lookup for infrastructure mapping, and NVD CVE search for vulnerability identification.
Prioritise findings
Cross-reference discovered assets with CISA's Known Exploited Vulnerabilities catalog. Focus remediation on actively exploited CVEs first.
Monitor continuously
Schedule weekly runs to catch new subdomains, certificate changes, and newly disclosed vulnerabilities affecting your tech stack.
What does it cost?
Scanning 50 domains across 4 security databases costs $5-10 in PPE charges. Weekly monitoring of 20 domains: $10-20/month. Compared to $10,000+/year for commercial ASM.
Estimate your cost →Useful tools
Ready to get started?
Connect your Apify account and start running actors in under 2 minutes. Free.
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