Here are a list of helpful resources and APIs available for researchers

  • SHODAN – Search for hosts on the Internet
  • Binary Edge – Dynamically run scans on the Internet
  • Censys – Search for certificates and hosts on the Internet
  • Security Trails – Search historical DNS & WHOIS information
  • – Fingerprint an application
  • Intrigue API
    • Fingerprint Applications
    • Search Organization-specific attack surface
    • Search BGP data by organization