Joseph Olasupo

Cybersecurity Consultant (PenTesting)

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Nigeria

Experience

Jul 2024 - Present
1 year 7 months
Nigeria

Cybersecurity Consultant (PenTesting)

Digital Jewels Africa

  • Lead the team that conducted Cyber Resilience Assessment and security assessments to improve infrastructure cyber maturity model for 2 giant banks in Africa.
  • Conducted several internal & external Whitebox, Blackbox and Greybox Vulnerability Assessment and Penetration Testing on client web application and network interface to test for and root out flaws, loopholes or misconfigurations.
  • Performed several extensive Vulnerability assessment testing to simulate cyber-attacks and assess the effectiveness of clients' security measures.
  • Conducted API Pentest on client subsidiaries after which I assisted in implementing ISMS Gap and Risk Assessment as part of implementation of ISO 27001:2022 Information Security Management Systems.
  • Identified Information security control gaps and opportunities for improvement in several client internal domain environments and processes and suggested standard remediation and controls.
  • Assist Clients in developing and implementing updated security controls and policies for their internal infrastructure, to ensure bolstered governance and compliance with applicable standards.
Apr 2024 - Present
1 year 10 months
United Kingdom

Cybersecurity Tutor and Mentor

Hagital Consulting

  • Mentor, tutor and educate established adults across in the UK, transitioning into cybersecurity to have a solid grasp of the foundations of cybersecurity, deploying Wazuh SIEM tools, deploying and configuring FortiGate Firewall, understanding the basis of penetration testing.
Apr 2024 - Jun 2024
3 months

Cybersecurity Tutor

TechitGirls Africa

  • Volunteered to empower ladies across Africa by introducing them to cybersecurity, GRC for 9 months. This pushed them to grow fond of cybersecurity and kickstart careers in different sectors of cybersecurity.
  • Consistently availed myself through governance, risk, and compliance mentorship.
Jan 2024 - May 2024
5 months

Cybersecurity Analyst (Contract)

Tech Hive Advisory

  • Provided Security Awareness Trainings for effective understanding of threats and remediation strategies, creating and implementing new and more effective policies.
  • Performed an external white-box Vulnerability Assessment and Penetration Testing on the web API application of FinTechs and other client organization.
  • Documented and presented a well-detailed technical report about vulnerabilities found and remediation strategies for better security posture.
  • Improved the standard of the team by conducting security awareness professionally that saw at least two clients signing year-long contracts due to my input with their teams.
Aug 2023 - Jul 2024
1 year

Cybersecurity Consultant

AOPARTNERS

  • Developed, implemented and reviewed security policies to defend against gaps in client systems.
  • Engaged in web and mobile vulnerability assessment and penetration testing projects with the team to bolster clients' security defenses. This helped unravel several high and critical vulnerabilities lurking in client servers.
  • Assisted the team to host security awareness trainings for client organizations.
  • Assisted in implementing cybersecurity standards like ISO 27001:2022 and PCI DSS.
  • Assisted in deployment of appropriate automated application security testing tools e.g. Jenkins, Archery Wazuh, Jumpcloud, Sonarqube, OWASP ZAP over Google Cloud Platform.
Mar 2023 - Jul 2024
1 year 5 months

Cybersecurity Analyst

ENOV8

  • Made heavy researches on network security trends and delivered reports with effective communication, analytical, and problem-solving skills.
  • Assisted external teams on various cybersecurity projects like vulnerability assessments and managements using BurpSuite, Qualys and Nessus.
  • Developed personal abilities to carry out security awareness training sessions that boosted my knowledge.
Mar 2022 - May 2024
2 years 3 months
United Kingdom

Cybersecurity Administrator

Cyblack

  • Proactive mentorship of cybersecurity interns in the UK and Nigeria, fostering collaboration, and enhancing activity comprehension through consistent support and encouragement.

Summary

A proactive cybersecurity professional with hands-on experience in web, mobile and network penetration testing. Proven track record of identifying critical vulnerabilities and improving enterprise security posture across financial and government sectors. Highly dedicated red teaming enthusiast ready to commit to the vision of the team and drive the information security to a solid stance.

Skills

  • Penetration Testing: Network, Web Application, Api, Mobile Testing
  • Understanding Of Operating Systems: Windows 11/10/8/7/xp, Linux (Kali, Peppermint, Parrot Os)
  • Implementation Of Standards: Isms, Pims, Pci-dss, Gap Assessment And Remediation
  • Excellent Communication And Documentation Skills
  • Experience And Knowledge Of Security And Vulnerability Assessment Tools (Nessus, Burp Suite, Qualys, Nmap, Nuclei, Zap Etc.)
  • Problem Solving And Ability To Work Unsupervised
  • Security Awareness Training Skills
  • Vulnerability Assessment & Management.
  • Risk Management / Threat Analysis
  • Report Writing
  • Teamwork, Adaptability, And Task Prioritization

Languages

English
Advanced

Education

Oct 2017 - Jun 2021

Federal University of Technology Akure

Bachelor Of Technology, Cybersecurity · Cybersecurity · Akure, Nigeria

Certifications & licenses

ApiSec API Certified Practioner (ACP)

Certified Red Team Analyst (CRTA)

Certified Red Team Operation Manager (CRTOM)

Cisco Certified Ethical Hacker

Cisco CyberOps Associate

Cyblack- Certified Cybersecurity ENOV8 Analyst

EC Council Certified Ethical Hacker

ISO/IEC 27001:2022 Information Security Associate

PECB ISO 37001:2025 Anti Bribery

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