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Muhammad S. Status: Offline
Karachi, Pakistan
94% Job Success
Top Rated Plus

Offensive Security Expert | Web & Mobile Pentester | API & Cloud

🔐 Helping Startups & Enterprises Eliminate Critical Security Risks—Before Hackers Exploit Them I’m a Certified Penetration Tester with 7+ years of offensive security experience. I specialize in securing web apps, mobile apps, APIs, and cloud infrastructure to help you prevent breaches, stay compliant, and protect your users. 🧰 My Security Expertise: Web App Pentesting – OWASP Top 10, SQLi, XSS, CSRF, SSRF, logic flaws Mobile App Security – iOS/Android reverse engineering, insecure storage, API exposures API & Cloud Security – REST, SOAP, GraphQL; AWS/Azure/GCP misconfigurations Manual Testing & Reporting – Clear, developer-friendly bug reports (JIRA, Trello, Agile teams) 🏆 Success Stories: ⚠️ Identified 50+ critical vulnerabilities in a fintech app, preventing a $500K breach 🔒 Secured 100+ applications used by 500K+ users, reducing risk by 80% post-audit 📄 Delivered 100+ penetration testing reports with prioritized, actionable fixes 📜 Certifications: 🛡️ OSCP – Offensive Security Certified Professional 🕵️ CEH – Certified Ethical Hacker 🔐 CompTIA Security+ 💡 Why Clients Choose Me: ✅ Actionable Reporting – Prioritized issues + clear developer guidance ⚡ Fast Turnaround – Critical bugs reported within 24 hours 🛡️ Confidential & Compliant – Full NDA, encrypted communications, secure tool usage 🌍 Trusted by – YC-backed startups, Fortune 500s, global security firms 🚀 Ready to Secure Your App? Click “Invite to Job” and get: ✅ A free 15-min consultation ✅ A sample penetration testing report ✅ Critical issues reported in just 24 hours
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Skills

Skills

Get started working with Muhammad quickly with these predefined projects.

Get started working with Muhammad quickly with these predefined projects.

You will get Custom Wix Website Development for Business Growth

From $60
2 days delivery

You will get Professional Shopify Store Creation Services

From $50
2 days delivery

You will get Transforming Ideas into Beautiful, Mobile-Ready Websites

From $70
2 days delivery

You will get QA Testing for Websites, Desktop, and Mobile Apps

From $100
1 day delivery

Testimonials

Endorsements from past clients

"It was a pleasure to work with Saad on our latest project. Saad's skills as a frontend developer are truly exceptional, and he was able to develop a user interface for our web application that was both visually appealing and highly functional. Throughout the project, Saad was very communicative and always available to answer any questions or concerns that arose."

Waqeeh U. | Chief Executive Officer (CEO) and Co-Founder
Mar 2023

Verified

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