Hire the Best Application Security Freelancers
in Turkey

Two skillsets, one freelancer. On the security side, I test web applications and servers for vulnerabilities. I identify weaknesses before attackers do, covering everything from injection flaws and authentication bypasses to misconfigurations and access control issues. After every engagement I deliver a detailed report with findings, severity levels, and remediation steps. I also handle WordPress malware removal, server hardening, and VPS setup, deployment, and troubleshooting. On the language side, I'm a native Turkish speaker with professional English fluency. I translate and localize websites, apps, and technical content with a focus on natural tone and cultural accuracy. What I bring to the table: Web application penetration testing and security auditing WordPress security, malware cleanup, and hardening Turkish to English translation and localization SaaS and fintech terminology expertise Developer background (Python, Flask, JavaScript) so I understand the code behind what I translate and test

I'm a cyber-security engineer who has experience in both red team and blue team. I can help you with cyber security architecture, penetration testing, static code analysis, network and Active Directory hardening. I'm also an experienced ctf player. Computer Engineer BSc, MSc | Offensive Security Engineer | CTF Player | OSCP | CREST CRT | OSWP | C-AI/MLPen | eDFP | PIPA |

Stop vulnerabilities before attackers find them. I help SaaS companies, development firms, and fast-moving startups secure their apps, APIs, and networks before breaches happen. With 4+ years of hands-on experience in *real-world offensive security, I’ve delivered over 50 security assessments for global clients preventing * $100,000+ in cyber losses and enabling compliance with OWASP, ISO 27001, and SOC 2 standards. ✅ Web Application Penetration Testing OWASP Top 10, logic flaws, RCE, SQLi, XSS, IDOR, SSRF ✅ **API Security Testing (REST, SOAP, GraphQL) – Broken auth, token misuses, injection, rate limits ✅ Internal Network & Active Directory Pentesting – Kerberoasting, misconfigs, lateral movement paths ✅ External Network Pentesting – DNS leaks, open ports, exposed services, privilege escalation ✅ Client Apps Testing (Windows Desktop Apps) – Binary analysis, insecure storage, reverse engineering ✅ OSINT & Recon Assessments – Discover exposed employee, asset, or sensitive data online ✅ Vulnerability Assessment & Retesting – Verified scans, PoCs, and prioritized reports Why SaaS & Dev Teams Hire Me (And Keep Coming Back): 🔐Certified CPTS & Red Team Expert – Skilled in deep, manual testing across complex environments 📈 Developer-Ready Reports – Fix-focused output with CVSS scores and reproducible PoCs 🤝 Fast Communication & Retesting – Retests included. I help you fix, not just find. 🧠 Security That Scales – Embed DevSecOps and secure your pipeline end-to-end 🔍 Tool-Proficient & Threat-Focused – Burp Suite Pro, Nessus, OWASP ZAP, Metasploit, MobSF, Wireshark Sample Results I've Delivered: • Hardened a healthcare SaaS platform, preventing HIPAA compliance violations • Secured API endpoints for a fintech product, reducing attack surface by 43% • Detected AD misconfigs in an internal network, preventing lateral domain compromise • Helped a startup pass its security audit before a $2.5M funding round What You'll Get: ✔️ Crystal-Clear Reports – With fix priorities, risk ratings, and business context ✔️ Full-Stack Security Coverage – From your login page to your cloud buckets ✔️ Peace of Mind – Know you're secure before auditors or attackers show up Let’s talk before hackers do. Message me to discuss your cybersecurity needs and get a free 15-minute consultation.

I help companies identify real, exploitable security vulnerabilities in production web apps and APIs — especially in authenticated systems where flaws lead to data leaks, account takeovers, and revenue loss. I’m an active Synack Red Team researcher, ranked Top 30 globally for critical vulnerabilities and Top 5 on Featured Targets, delivering high-impact findings on live systems with real users. My security research has also been accepted at Black Hat USA (Arsenal 2023) and DEF CON 31. What I do (manual, attacker-minded testing) - Broken access control (IDOR, privilege escalation, cross-account access) - Authentication & authorization flaws - Business-logic vulnerabilities (payments, checkout, refunds, entitlements) - High-impact web & API issues (SQL Injection, SSRF, XSS, race conditions) What you get - Clear, professional reports with step-by-step reproduction - Impact analysis focused on real-world risk - Actionable remediation guidance - Optional retesting to confirm fixes - Direct developer support to explain root causes and prevent regressions No scanner dumps. No noise. Only manually verified vulnerabilities that can be reproduced, exploited, and fixed. If you’re looking for security testing that reflects how attackers actually break applications — not checkbox compliance — let’s talk.

I am a Software Engineer with frontend and backend project experience, problem-solving skills, and a proven track record of meaningful contributions. I focus on testing, bugs, vulnerabilities, and updates, and I am also a cybersecurity expert. What can I do for you? -I can build landing pages for your company or project and assist with publishing. -I can test your project, report the problems, and solve these issues. -I can design websites for your company or project. -I can test your website and create reports on potential security vulnerabilities. Communication is the most important aspect of my work, ensuring we can produce the most suitable solution for you. Let's keep in touch...