Oussama Ben Fredj

Oussama Ben Fredj

Information Security Engineer/Developer

National institute of applied science and technology of Tunisia (INSAT)


I am Oussama Ben Fredj, Tunisian Cybersecurity Engineer, a member of Fword Team which is an international CTF team ranked 1st in MENA (Middle East North Africa) and among the top 50 worldwide. I have grown fond of cybersecurity fields for the past 4 years. During those years, I acquired a strong experience working in different projects that covered mainly, Binary Reverse Engineering and Web Application Security. Finally, Having held several pieces of training in the cybersecurity field for various universities, I learned the importance that lies within spreading knowledge and receiving it as a cybersecurity professional

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  • Information Security
  • Reverse Engineering
  • Penetration testing
  • Development
  • Computer Science & Networks engineering, 2022

    National institute of applied science and technology of Tunisia (INSAT)

  • Baccalaureate in mathematics, 2017

    High school Jawhara Sousse


Jul 2020 – Oct 2020 Tunisia
assigned in several missions that included several exploitation scenarios in multiple webApp/mobile applications
Jan 2020 – Present
ranked one of the top rated freelancers
Workshop Trainer
Sep 2019 – Present Tunisia

Responsibilities include:

  • Participating in CTFs
  • Mobile reverse engineering workshop trainer
  • Penetration testing workshop trainer
Jul 2019 – Nov 2019 Tunisia

Responsibilities include:

  • Deploying of infrastructure and technologies for a SOC as a Service
  • assigned to an Active Directory penetration testing
CTF Player
Jan 2018 – Present Tunisia

Responsibilities include:

  • Learned alot about Cybersecurity
  • Enhanced my skills in Reverse Engineering and Web Exploitation
  • Refined my knowledge in Penetration Testing


1sd place CSAW MENA(Middle East North Africa) 2021
Won the 1st place in Middle East and North Africa, and ranked 11th worldwide
Arab Security Cyber Wargames Championship Finalist
Qualified to the finals which was taking place in Egypt to compete against more than 500 teams for 48 hours
2nd place CSAW MENA(Middle East North Africa) 2020
Ranked 26th worldwide and 2nd in MENA
Ranked 1st in MENA and among the top 60 teams in the world in CTFs
Fword is an arabic CTF & security research team
1st place in a debate competition
Won the 1st place in a debate competition in english held by the JCI (Junior Chamber International) of INSAT
2nd place regional competetive programming competition
Achieved 2nd place in regional competition organized by Regional Commissary for Education in Sousse

CTF Writeups

cybersecurity activities