Security Researcher | Ethical Hacker | CTF Player

" Douglas means 'Dark Water'. I am the blade that pierces through it. "

I am Lawrence Douglas (L.D.). Just as my name suggests, I navigate the deep, dark waters of complex systems. My passion lies in offensive security—finding the cracks in the wall before the bad guys do.

• 🔭 I’m currently hunting bugs on HackerOne & Synack.
• 🛡️ Specializing in Web Pentesting, Network Infiltration, and Vulnerability Research.
• ⚔️ Philosophy: "以攻为守，穿透黑暗的锋芒。" (Offense is the best defense; be the sharp edge that pierces the darkness.)

• Core: Penetration Testing, Source Code Audit, Red Teaming.
• Tools: Burp Suite, Cobalt Strike, Metasploit, Wireshark.