The Black Onion

The Black OnionElite Cyber SecurityProfessionals

Elite Offensive Security

Whether you're securing web applications, analyzing network traffic, or hunting for vulnerabilities, Black Onion premium security services make the whole cybersecurity experience the most comprehensive it can be.

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About Us

We are The Black Onion — a collective of elite offensive security professionals driven by curiosity, technical mastery, and a relentless pursuit of excellence in the digital domain.

Our team operates at the intersection of creativity and cyber warfare, specializing in advanced penetration testing, red teaming, exploit development, and capture-the-flag (CTF) competitions.

Our members include researchers, ethical hackers, and cyber strategists united by a single mission — to fortify global cyber defenses through knowledge, collaboration, and responsible disclosure.

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Project Work

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CTF Organize

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Workshop

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Event

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Core Values

Our Core Values — The principles that guide our work

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Ethical Hacking

We conduct all our activities within legal and ethical boundaries, always with permission and for defensive purposes.

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Knowledge Sharing

We believe in sharing knowledge with the community to raise the overall security awareness and capabilities.

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Innovation

We constantly push the boundaries of what's possible in cybersecurity through research and development.

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Collaboration

We work closely with organizations and the security community to build a safer digital world together.

The Black Onion team at cybersecurity event
Team collaboration — Where expertise meets innovation
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Expertise

Core security specializations

Our team brings deep expertise across multiple security disciplines. Each specialization reinforces our collective capability to identify and remediate threats across the attack surface.

The Black Onion team members collaborating on security projects

Advanced gathering of publicly available information about targets.

  • Domain enumeration
  • Social media analysis
  • Data leak investigations
  • Infrastructure mapping

Incident response, malware analysis, and forensic investigation.

  • Incident response
  • Malware analysis
  • Memory forensics
  • Evidence preservation

Thorough evaluation of network architecture, segmentation, and access controls.

  • Network scanning
  • Firewall bypass
  • Access control testing
  • Lateral movement

Expert analysis and creation of steganographic content.

  • Image steganography
  • Audio steganography
  • Covert channels
  • Detection evasion
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Achievements

CTF Excellence & Competition Success

Our competitive achievements demonstrate our team's expertise in cybersecurity challenges and advanced problem-solving across national and international competitions.

Top 100Place

Bugcrowd x BlackHat USA CTF 2025 (Two Members)

Awards
2ndPlace

MayaCTF 2023

CTF Competition
4thPlace

National Antrajal 2023

National Competition
6thPlace

CUET StealthFlags 2025 National CTF

National CTF
7thPlace

SMP CTF 2024

CTF Competition
13thPlace

WTISD Hackathon 2025

Hackathon
22ndPlace

BDSec CTF 2025

CTF Competition
27thPlace

Bugcrowd x Black Hat CTF USA 2025

International CTF
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Project Work

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CTF Organized

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Workshops

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Events Hosted

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Team

Our Elite Team

Meet the cybersecurity experts pushing the boundaries of digital security.

Nesar Uddin Dawood

Nesar Uddin Dawood

Founder / Team Lead | Digital Forensic Analyst | C|SCU | CNSP | CAP | DFE | CNSS | CCEP | NSE-1, NSE-2 | CCNA | MTCNA, MTCRE

Md Amanat Ullah

Md Amanat Ullah

Team Advisor | Cyber Security Engineer | CEH Practical | CAP | CNSP | ISO 27001 Lead Auditor

MD AB Momin

MD AB Momin

Co-Founder | Penetration Tester | CAPv2 | CNSP

Zabed Ullah Poyel

Zabed Ullah Poyel

Management Lead | Penetration Tester | CAP | CNSP | CEHPT | CCEP | CWAP | CAPIE | EHE

AaRiz Rahman

AaRiz Rahman

Web Penetration Tester | CNSP | CCEP

Morakib Hossain

Morakib Hossain

Reverse Engineer

Subaita Maryam

Subaita Maryam

Security Analyst | CAP | CNSP | ISO/IEC 42001:2023 | CCEP | FCA | EHE | DFE | NDE | CPTAV2

MD Zidan Khan

MD Zidan Khan

Digital Forensic Analyst

Shahriar Hasan

Shahriar Hasan

Web Penetration Tester | CNSP | CBP | CAP | CCEP | EHE

Anik Sutrodhar

Anik Sutrodhar

Web Penetration Tester

Mahir Shahriar Tanshen

Mahir Shahriar Tanshen

Backend Developer

Umma Morium Sathi

Umma Morium Sathi

Web Penetration Tester | CCEP

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Partners

Our Trusted Collaborators

Partnering with top organizations to fortify global cyber defenses through knowledge, collaboration, and responsible disclosure.

Cyber Security CLub

Cyber Security CLub

Student Innovation Partner

CTF & Student Cybersecurity Training

Team Akatsuki

Team Akatsuki

CTF Partner

CTF Team

Visit Partner
NPC Computer Club

NPC Computer Club

Training & Education Partner

Cybersecurity Research & Education

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Contact

Get in touch with The Black Onion

Interested in our security services? Have a vulnerability to report? Want to collaborate on cybersecurity research? Reach out to our team.