— Cybersecurity Specialist

Ayham
Alsarkhi

Penetration Tester. CTF Author. Bug Bounty Hunter.

eWPTX · OSCP in progress
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2nd

Worldwide

CPTC 2026

23

Challenges Authored

4 competitions

200+

Participants

managed per CTF

100+

Students

instructed

2nd Place Worldwide

Global CPTC 11 — 2026

Cloud Lead · AD Co-Lead

eWPTX Certified

eLearnSecurity

Advanced Web Pentesting

Penetration Testing Intern

Umniah

Aug – Sep 2025

OSCP

OffSec — In Progress

Active

Domains

What I break

Web & API Pentesting

eWPTX certified. OAuth, JWT, SAML, server-side exploitation, full attack surface coverage.

Cloud (AWS)

IAM enumeration, privilege escalation, misconfiguration chains. Led cloud attack chain at CPTC.

Active Directory

Kerberoasting, DACL abuse, lateral movement, domain dominance. Co-led AD chain at CPTC.

Binary Exploitation

Kernel pwn, ROP chains, heap exploitation. Authored pwn challenges across multiple competitions.

Work

Projects

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Writeups

Latest

All writeups →

Writeups published post-triage and responsible disclosure.