Cyber Security • Open‑Source • Web App Pentesting
Hi, I'm Sajan Mullachery.
Cyber security specialist, open‑source enthusiast, and web application penetration tester. I help teams harden infrastructure and ship secure software with pragmatic defenses.
8+ yrs
Security & infra
Security +
Infrastructure projects with open‑source
∞
Open‑source passion
What I focus on
Web Application Pen TestingOWASP • API • SAST/DAST
Cloud & Perimeter HardeningWAF • Segmentation • SIEM
Incident ReadinessPlaybooks • Drills
Engagements tailored to your stack, with actionable reports and remediation guidance.