Dead Domain Discovery: Discover Expired or Unregistered Domains
Dead Domains are an often overlooked, yet impactful bug class that can lead to significant security vulnerabilities, including Cross-Site Scripting, Information Disclosure, and even Remote Code Execution. Attackers can exploit these vulnerabilities by registering expired or unregistered domains that were previously owned by legitimate entities. But: How can security researchers and penetration testers efficiently identify these dead domains?