Khartoum: +249 (0)123 101702    [email protected]



Mustafa Shaib


Mustafa Shaib is a founder and CEO at Broken Cipher PenTest Systems, Khartoum-based Context Security, which provides information security though leadership, independent research, and security training.

Mustafa has over 10 years of experience in information technology and security, his recent Broken Cipher courseware development includes RedTeam Practical and Cybersecurity Hands-On.
Over the years, he has performed and led intrusion detection, penetration testing, defense improvement programs and incident response in Government and Semi-Government entities. In his free time Mustafa contributes to the Crypto Gide and Capture the Flag (CTF) Guide project. He holds the GIAC Certified Incident Handler (GCIH), as well as the ECSA and many other certifications.


Khalid Elsawahli

Cyber Security-Marketing Executive

Khalid Elsawahli brings nearly 5 years of experience as an energetic, reliable and adaptable sales & account management principal with experience in the cyber security and enterprise software industries to his role as Cyber Security-Marketing Executive at Broken Cipher.
For years, Khalid has been recognized as a leader for achieving his sales goals while connecting with others, establishing solid relationships, solving business problems and ensuring optimal customer satisfaction and service.


Rajesh Gopal

Information Security Analyst

Rajesh Gopal is an independent information security analyst and senior instructor with the Broken Cipher, He is an industry expert with over 10 years of experience in information technology and security. He has spent several years performing exploit development and reverse engineering. Rajesh has an MS in information technology from Sikkim Manipal University and is a certified instructor for the EC-Council. He holds the GIAC Certified Incident Handler (GCIH), as well as the CHFI, CEH, and many other certifications.


Nada Elamin

Technical Security Analyst

Nada’s expertise includes hacker attacks and defenses, the information security industry, and computer privacy issues, with over two years of experience in information security. She has performed numerous security assessments; conducted exhaustive anti-virus, anti-spyware, Virtual Machine, and IDS research; and responded to computer attacks for clients in financial, high technology, Government, and other industries. Nada conducted a demonstration of hacker techniques against Mobile IM applications for the Khartoum CryptoParty and is a frequent speaker on issues associated with hacker tools and defenses. 


Tagwa Warrag

Senior Technical Writer and Security Analyst

Tagwa is Senior Technical Writer and Security Analyst at Broken Cipher. She has a BSc in computer science and Information Technology from Sudan University. Before joining Broken Cipher, she worked for large organizations such as Zain Sudan, CANARtel.