In-depth articles on subdomain security, DNS enumeration techniques, attack surface management, and cybersecurity best practices from our team of security researchers.
A comprehensive walkthrough of subdomain security practices, from initial audit to continuous monitoring. Learn how to identify, assess, and remediate subdomain vulnerabilities across your entire DNS infrastructure before attackers find them first.
Step-by-step methodology for discovering subdomains using a combination of passive and active reconnaissance techniques. Covers open-source tools, online services, and manual approaches for thorough subdomain enumeration.
A technical comparison of brute-force, zone transfer, Certificate Transparency, passive DNS, and web scraping methods for subdomain discovery. Benchmarks, accuracy rates, and real-world test results included.
How attackers exploit dangling DNS records to hijack subdomains, and what your team can do to prevent it. Covers the mechanics of takeover attacks across major cloud providers and provides actionable mitigation strategies.
Everything you need to know about wildcard DNS records. How they work, when to use them, the security implications they carry, and how they affect subdomain enumeration and attack surface management.