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Oyetunde Yunus

The Chief Security Officer of O-range Cyber Security Training & Services Ltd

What I can do for you

If you're looking for an Ethical Hacker or Web Application Penetration Tester to identify vulnerabilities in your website, I'm here to help.
With my expertise, I can uncover hidden bugs or security loopholes that may put your organization at risk. As a website owner, I'll collaborate with your developers to strengthen your defenses and protect your digital assets from malicious users attempting to exploit your data, ensuring your website is as secure as possible.
Additionally, I offer tailored training programs in Cybersecurity and Ethical Hacking to help you stay ahead and secure in today digital landscape.

Learn More About What I Do
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Professional Training Services

I offer training on both Cybersecurity and EthicalHacking

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Vulnerability Assessment & Penetration Testing

I specialize in identifying, assessing, and mitigating vulnerabilities in your web app, ensuring they are protected from malicious hackers.

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Mobile App Bug Detection

I can help enhance the security of your business application to ensure it's protected from potential vulnerabilities

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Consultancy

Whatever you’re working on, I can step in as your consultant for anything related to cybersecurity or ethicalhacking-related issues. I specialize in breaking down complex cyber security problems, offering clear explanations, and delivering practical solutions.

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Coy Emerald

Learn more about me

Cybersecurity
Is A
portfolioResponsibility - Coy Emerald.

The Ultimate Bug Bounty Hunting Training

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EthicalHacking

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Information Technology In Nigeria

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A Few Insights
from Those Who’ve Worked with Me


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Apple Technology Company

Dear Yunus Oyetunde,
We appreciate your assistance in helping to maintain and improve the security of our products!

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Procenne Digital Security

Dear Coy Emerald,
Your valuable contribution through your security reports has directly strengthened our security processes, and we greatly appreciate your ethical approach and efforts.

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Nigeria Police National Command & Control

Dear Coy Emerald,
We would like to appreciate your help for your contribution in patching the discovered vulnerabilities in the NPF Rescue Me App.

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Hostpoint Internet Service Provider

We analyzed your reported vulnerability and we would like to reward you for this reported vulnerability.

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let’s work on
something cool together

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