How to Find Subdomains Like a Hacker (Beginner to Pro Guide)

📰 Medium · Cybersecurity

Learn subdomain enumeration techniques to discover hidden assets like a hacker, improving cybersecurity and bug bounty hunting skills

intermediate Published 18 Apr 2026

Action Steps

Run a DNS scan using tools like Nmap or Masscan to identify potential subdomains
Configure a subdomain enumeration tool like Sublist3r or Amass to automate the process
Apply filtering techniques to narrow down the results and focus on high-priority subdomains
Test the identified subdomains for vulnerabilities using tools like Burp Suite or ZAP
Compare the results with previous scans to identify new or removed subdomains

Who Needs to Know This

Cybersecurity teams and bug bounty hunters can benefit from this guide to enhance their skills in discovering hidden assets and vulnerabilities

Key Insight

💡 Subdomain enumeration is a powerful technique for discovering hidden assets and vulnerabilities in cybersecurity and bug bounty hunting