Hire the Best WebApp Pentesters
in Kenya

I am a Penetration Tester focusing on Cloud, Network, Web, and Mobile Apps. I have significant and well-diversified experience in multiple Cybersecurity domains, including: 1. Cloud Infrastructure: I help secure Cloud Infrastructure such as GCP AWS and Azure. 2.Penetration Testing and Vulnerability Assessment: I specialize in finding vulnerabilities in Web Applications, Mobile Applications, Networks, and Smart Contracts. 3. Bug Bounty Hunting: I find bugs for various companies on HackerOne - @l3s7r0z. I am constantly improving myself and getting better each day in the Cyber Security field. Lester Obbayi - @l3s7r0z

Android Development Highly skilled android developer with hands on skills in java, kotlin and jetpack compose. I have developed and published two applications on playstore among many I have developed for clients in a freelancing role. - Liquorboss - A POS system for managing bars and restaurants with over 100+ installs and multiple clients currently using it - Funza - A quiz app for elementary school kids with content on kenyan curriculum. My aim is to ensure quality work delivery within the time frame and constant communication to ensure that we are on the same page. Looking forward to working with you. Penetration Testing Top rated penetration tester with vast experience in finding and patching exploitable vulnerabilities to prevent breaches. Highly skilled in offensive security with hands on approach mimicking black hat hackers' methodologies. I've worked with top firms and startups to test their network, mobile and web infrastructure before launch to identify and patch vulnerabilities. These include: motokaa.shop - performed a full vulnerability assessment and penetration test for this car dealership and helped move their business online securely. kejafinder.com - performed a penetration test on their web and mobile application and help identify vulnerabilities that would bring losses to the organization. Performed code analysis to identify the root cause of the issues and provided recommendations on secure development best practices. With three years of rigorous testing and hands on hacking on top bug bounty platforms I have honed the following skills - Penetration Testing: Proficient in conducting comprehensive penetration tests across web applications, networks, and infrastructure to uncover security weaknesses. -Ethical Hacking: Skilled in simulating real-world cyber attacks to assess the robustness of defenses and recommend mitigation strategies. - Application Security: Expertise in evaluating code, identifying vulnerabilities (OWASP Top 10), and implementing secure coding practices. - Risk Assessment & Mitigation: Experienced in analyzing security risks, prioritizing threats, and developing strategies to mitigate potential impacts. - Compliance & Standards: Familiar with industry regulations (e.g., GDPR, HIPAA) and adept at ensuring compliance through thorough audits and assessments. Expert level ability in testing web and mobile applications using OWASP top 10 as a benchmark. I have worked with over 20 clients in a freelancing role and have helped unearth the most critical of bugs by being keen to details. I have also helped identify API vulnerabilities which are most often overlooked despite their prevalence in modern web applications. Working with me ensures professional engagements and high quality work and timely delivery which is my mantra as a professional. We will engage through every phase of the project and factor in feedback to ensure maximum satisfaction. I deliver well written reports to ensure effective communication on the findings and how they affect the security posture of the organization. Looking forward to working with you!

Offering unmatched/pro level PENETRATION TESTING and BLOCKCHAIN Innovation/Security. Specializing in Web, Mobile, Network, Cloud Security, Smart Contract Development, and Blockchain Security. Detecting and fixing vulnerabilities through top-tier Penetration Testing. Proficient in Rust, Solidity, SQL, Gophers, Bash, Python, Java, PHP, C++, C, JavaScript, CSS, HTML(5). Familiar with frameworks like Hyperledger Fabric, Ethereum (Truffle, HardHat), Node js (Express js), Django, Ruby on Rails, ASP NET, React js, Angular js. Securing Databases and Servers comprehensively. Hit my DM & Experience Top Tier Services :)

Hello there! 😊 ✅Are you a small, midsized or a big enterprise 🔎 looking for a cybersecurity solution or robust protection 🛡 with operational efficiency? ✅ Look no more i got a solution for you. Simon Njogu, a cyber security engineer based in Kenya, Nairobi with ☞ +9 YEARS with honed experience in the digital security field. ✅ I have a strong educational background in information security, ethical hacking, network security, web security and cloud security. With a vast experience honed through different operational grounds and tasks. As a military officer I was able to conduct threat hunting, analysis and conduct intelligence briefs and reports for the KDF. I offer cybersecurity solutions to businesses to help mitigate the ever-increasing digital threat landscape. If you are one of them I have a solution for you. 📞 Let’s set up a free 30-minute consultation 💬 to discuss📅 📌 PROFESSIONAL EXPERIENCE With extensive experience as a cybersecurity engineer, I have developed a deep understanding of security protocols, threat analysis, and risk management. My expertise includes: ➡︎ Advanced Ethical Hacking- Professional white hacker ➡︎ Advanced exploitation ➡︎ Custom tool development- (python3, C, Assembly), Frida, custom reverse shell ➡︎ Stealth & Persistence- Cobalt. strike, Metasploit, Living off the land ➡︎ Social engineering & Psychological manipulation- SET, Gophish, Phishme ➡️ Reverse engineering- IDA Pro, Ghidra, OllyDbg, ➡︎ Advanced Cryptography- Hashcat, John the Ripper, CrytoBench ➡︎ System Audits- Network, Web App, Compliance Audit(HIPAA, PCI-DSS, GDPR), Access control, OS & Server, physical security, Incidence response & Forensic Audit ➡︎ Malware Threat analysis- Cuckoo Sandbox, IDA Pro, YARA ➡︎ Hacking Wireless Networks- Wifi- 6E, NFC, LoRa, Bluetooth ➡︎ Networking and protocols- Wireshark, Nessus, Ettercap, SSLStrip ➡︎ Penetration Testing- Internal, External, Web App & Mobile App ➡︎ Website Security- SQL map, Burp Suite, OWASP ZAP, XXE Injector ➡︎ Develop and Implement Security Policies- ISO/IEC 27001, NIST, HIPAA, GDPR ➡︎ Information Security Risk Management- ISO/ICE 27005, ISO 31000:2018 ➡︎ Security Awareness and Training ➡︎ Threat intelligence & OSINT- MISP, OpenDXL, AlienVault OTX ➡︎ Security Audits and Assessments ➡︎ Access Control Management- DAC, MAC, RBAC, ABAC, IAM ➡︎ Compliance Monitoring- Automated, continous, risk based, real-time ➡︎ Vulnerability Management- Identification, evaluation, remediation, mitigation, ➡︎ Security Architecture Design- DiD, ZTA, SDLC, Cloud-based, network based, IAM ➡︎ Collaboration and Communication- Cross-functional, IR, awareness campains, policies, trainings ➡︎ Documentation and Reporting- compliance checklists, audit trails & logs, policies, SOPs ➡︎ Data Protection- Encryption, data masking & tokenisation, DLP, Data anonymization, MDM ➡︎ Vendor Management- vendor risk assessment, ➡️ Professional technical writing Throughout my career, I have worked with diverse clients ranging from small startups to large enterprises, delivering tailored security solutions that address their specific needs and challenges. 📌 WHY WORK WITH ME? ☞ Holistic Security Approach ☞ Tailored Solutions ☞ Cutting-Edge Expertise ☞ Proven Track Record Whether you need to bolster your cybersecurity defenses, secure your blockchain applications, or navigate the complexities of cryptocurrency regulations, I am here to help. My commitment to excellence and deep understanding of both cybersecurity and blockchain technology make me the ideal partner for achieving your digital security goals. 📌 LET'S CONNECT! Don't hesitate to get in touch to discuss your project further. Thanks for learning about me! If you’re interested in working together, please invite me to your job on Upwork to book a 🆓 free consultation call with me. Talk soon! 😊