Hi! I'm Mohamed Sayed A.K.A (Flex).

I'm an application security engineer & pwner(lover) interested in systems, and security and this is my CV.

Experience

• Senior Cyber Security Engineer at CyShield. (Jun 2023), Present
• Junior Cyber Security Engineer at CyShield. (Dec 2019), (Jun 2023)

Projects

• Wrote Exploits for (CVEs).
  • CVE-2022-24355 TP-Link TL-WR940N Stack-based Buffer Overflow Exploit (2024)
  • CVE-2023-4911 Looney Tunables Local Privilege Escalation Exploit (2023)
  • CVE-2021-3156 (Heap Buffer Overflow) Exploit (2023)
• Disassembler/Assembler for Yan85 from pwn.college on (Github)

I'm also:

• CTF Player (almost) (...)
• Blogger
• Bug Bounty Hunter (H1, Bugcrowd, Huntr.dev, Synack)

Certificates:

• Blue Belt from pwn.college ASU (flex) (2024)
• Offensive Security Web Expert (OSWE) (2021)
• eLearnSecurity Web Application Penetration Tester eXtreme (eWAPTXv2) (2020)
• eLearnSecurity Web Application Penetration Tester (eWAPT) (2020)
• eLearnSecurity Mobile Application Penetration Tester (eMAPT) (2020)

Courses:

• Learned Memory Corruption Vulnerabilities from (pwn.college)
• Linux/Windows Privilege Escalation (TCM)
• Practical Ethical Hacking - The Complete Course (TCM)
• Secure Code Courses (Security Compass)
• SecureCodeWarrior Challenges