Vishal B.

Top Rated Penetration Tester & Blockchain Security Engineer with 100% Job Success and 40+ completed projects. I specialize in Web, API, Mobile, Cloud, Infrastructure, and Blockchain security, helping startups, SaaS companies, technology teams, and Web3 protocols identify, validate, and remediate security vulnerabilities before they become serious risks. 🔐 PENETRATION TESTING & VAPT • Web application penetration testing • API security testing • Android/mobile application security testing • Cloud & AWS security assessments • Network & infrastructure security testing • Authentication & authorization testing • Business logic testing • OWASP Top 10 assessments • Vulnerability assessment & exploitation • Security configuration reviews • Proof-of-concept validation • Remediation guidance & retesting ⛓️ BLOCKCHAIN & SMART CONTRACT SECURITY • Solidity/EVM smart contract audits • DeFi protocol security reviews • DEX and Web3 security assessments • Token & NFT contract audits • Access-control vulnerabilities • Reentrancy and business-logic issues • Oracle and price manipulation risks • Flash-loan and economic attack scenarios • Upgradeable proxy security • Integer/precision vulnerabilities • Gas optimization & security recommendations • Manual code review + automated security analysis 🛠️ SECURITY-FOCUSED DEVELOPMENT My development background allows me to understand vulnerabilities at both the application and code level. • Secure backend/API development • Blockchain application development • Security-focused code reviews • CI/CD security • Docker/Linux security • AWS/cloud security • Security automation 🔎 MY APPROACH I don't simply provide a list of vulnerabilities. My approach is: Discover → Validate → Safely Exploit → Assess Impact → Recommend Fix → Retest My security reports are clear and developer-friendly, covering: • Vulnerability and severity • Technical details • Business/security impact • Proof of concept where appropriate • Affected endpoint, function, or component • Recommended remediation • Retest results ⭐ WHY WORK WITH ME? 100% Job Success • Top Rated • 40+ Completed Projects I combine hands-on penetration testing and application security experience with blockchain and smart-contract development knowledge. This allows me to identify security weaknesses, understand the underlying implementation, and provide practical remediation guidance. If you need a penetration test, VAPT assessment, API/mobile/cloud security review, smart-contract audit, or Web3 security assessment, I can help from initial assessment through remediation and retesting.