SHEIKH ALI AKBAR

Cybersecurity Researcher

Also known as AB Bishal, I am a dedicated cybersecurity researcher and penetration tester who operates under the handle abbishal across professional and research platforms. With a strong background in offensive security, vulnerability assessment, and ethical hacking, I specialize in identifying and exploiting complex web and API vulnerabilities. My work spans leading bug bounty platforms such as HackerOne, Bugcrowd, and Yogosha, where I have contributed to securing systems for global organizations. I combine technical expertise with a passion for continuous learning and innovation in the cybersecurity field.

Skills
Android Application Pentesting
Exploit Development
Python Programming
Network Security Testing
API Security Testing
Web Security Testing
Education
University Of The People

Bachelor of Computer Science (2023-2026)

I am pursuing the CSE degree from UoPeople and expected to graduate in 2026.

Brahmanbaria Government College

Business Studies (2022)

I have completed my higher school from BGC.

Certifications
Licensed Penetration Tester (LPT) Master

Issued by: EC-Council

Issue Date: 20-03-2025

Expiry Date: 01-04-2028

Credential ID: ECC5218094637

Certified Penetration Testing Professional (C|PENT)

Issued by: EC-Council

Issue Date: 20-03-2025

Expiry Date: 01-04-2028

Credential ID: ECC3718659420

API Security certified professional (ASCP)

Issued by: APISec University

Issue Date: 04-03-2025

Expiry Date: 03-03-2028

Credential ID: 983dacb0-bacc-4067-ac7e-631277023417

Certified Ethical Hacker (CEH)

Issued by: EC-Council

Issue Date: 19-08-2024

Expiry Date: 18-08-2027

Credential ID: ECC4059237816

Certified API Security Analyst (CASA)

Issued by: APISec University

Issue Date: 04-03-2025

Expiry Date: 03-03-2028

Credential ID: d7e7ff64-318e-4115-b049-6d8e76ae0358

Certified Network Pentester (CNPen)

Issued by: The SecOps Group

Issue Date: 10-10-2025

Expiry Date: N/A

Credential ID: 10581089

Certified AppSec Pentester (CAPen)

Issued by: The SecOps Group

Issue Date: 10-10-2025

Expiry Date: N/A

Credential ID: 10582854

Certified Cyber Fundamentals Associate (CCFA)

Issued by: National Cyber Security Agency

Issue Date: 13-11-2025

Expiry Date: N/A

Credential ID: NCSA-CCFA-2025206

Professional Experience

Conduct internal asset penetration testing and simulate comprehensive Red Team operations to fortify organizational defenses.

Responsible for designing dynamic Capture The Flag (CTF) challenges based on complex, real-world scenarios for corporate clients

Identify vulnerabilities on client infrastructure, deliver detailed security assessment reports and recommend effective mitigation strategies.

Identify and exploit vulnerabilities in customer infrastructures as part of an elite, private bug bounty and pentesting team.

Create and evaluate complex exam environments for the Certified Penetration Testing Professional (CPENT) Web Range.

Facilitated hands-on training modules covering web application vulnerabilities, exploitation techniques, and remediation strategies for the MCSC Cybersecurity Bootcamp 2025.
Achievements
Champion of Hackerone BugHunt 2024
Champion of Phoenix Summit CTF 2024
1st Position in WHMCS's Security Researcher HOF
Champion of IUT CTF 2024
Champion of Flag Hunt 2023
Champion of CTFBD - Maze In Antarjal
Runners-up of RIot Center Flag Hunt 2022
2nd Runners-up of MIST Leetcon 2023
Champion of Phoenix Summit CTF 2025
Champion of APISEC|CON 2025 CTF (May Edition)
Runners-Up of APISEC|Con 2025 CTF (February Edition)
Projects
BCS ICT FEST 2025

It was a nationwide CTF event featuring project showcases, poster competitions, and cybersecurity sessions. I served as a CTF Challenge Creator and Backend Administrator, designing and managing technical challenges.

World Telecommunication and Information Society Day Hackathon 2025

Responsible for crafting CTF challenges that tested skill, creativity, and problem-solving for participants from across the country.

Agile Cyber Drill 2025

It was a nationwide CTF event for students and professionals. I served as a CTF Challenge Creator and Backend Administrator, designing and managing technical challenges.

Cyber Hero 2022

A national cybersecurity knowledge competition for high school, college, and university students. Led the application security research team, ensuring the security and integrity of the competition platform.

Contact

Email: akberbadsha05@gmail.com

Phone: +8801953020102

Address: Baganbari, Vashantek, Dhaka Cantonment, Bangladesh

Website: https://abbishal.com

GitHub: https://github.com/abbishal

LinkedIn: https://www.linkedin.com/in/abbishal/