Mallela Arun Kumar

About Mallela Arun Kumar

I am a multifaceted technology professional with expertise in Identity & Access Management (IAM), Full-Stack Development, Cybersecurity, Penetration Testing, and Data Analysis. I specialize in securing enterprise environments, developing scalable web applications, analyzing vulnerabilities, and automating security workflows. What I Bring to the Table: Identity & Access Management (IAM) & Cybersecurity: Expert in Microsoft Entra ID, Azure AD, Active Directory (AD), Role-Based Access Control (RBAC), and Conditional Access Policies. Performed penetration testing on web applications, APIs, and IAM infrastructures to identify vulnerabilities. Conducted security audits & IAM testing to ensure compliance with ISO 27001, NIST, and GDPR. Automated user provisioning workflows with Python & PowerShell, reducing onboarding time by 40%. Full-Stack Development: Developed scalable and secure web applications using React.js, Node.js, Express.js, and MongoDB/PostgreSQL. Built authentication & authorization mechanisms using OAuth, JWT, and Role-Based Access Control (RBAC). Created microservices-based architecture for enterprise applications. Integrated third-party APIs for seamless user experience. Penetration Testing & Ethical Hacking: Experienced in testing IAM environments for vulnerabilities in authentication protocols (OAuth, SAML, Kerberos). Conducted web application penetration testing using Burp Suite, Nmap, Metasploit, and OWASP ZAP. Performed vulnerability assessments using Kali Linux & Nessus. Data Analysis & Security Insights: Analyzed IAM logs & security data to detect unauthorized access patterns using SQL, Python, and Power BI. Used machine learning models for anomaly detection in IAM security event logs. Developed custom dashboards in Power BI & Excel to track security risks & access trends. Looking for opportunities to: Enhance IAM & cybersecurity frameworks for enterprises Develop full-stack applications with secure authentication Perform advanced penetration testing to secure authentication systems Use data-driven security insights to detect threats & improve IAM policies Let’s connect and build the future of secure digital identities & full-stack applications!

Experience

1. Cyber Security Analyst

   Tata Consultancy Services

   Aug 2024 — Present · Chennai, IN

   Key Responsibilities: Performed IAM Testing & Security Audits for enterprise HR systems and API integrations using Microsoft Entra ID & Azure AD Conducted System Integration Testing (SIT) & Regression Testing for user authentication, access provisioning, and deprovisioning workflowsHR System & API Testing : Tested HR system integrations to validate employee lifecycle management processes, including onboarding, role assignments, and terminations Conducted API security testing for authentication, authorization, and token-based access using OAuth, SAML, and JWT Validated Single Sign-On (SSO) & Multi-Factor Authentication (MFA) configurations across enterprise applicationsSecurity & Data Analysis: Developed security automation scripts using Python & PowerShell to streamline access control and identity provisioning Performed IAM data analysis using Snowflake, extracting insights on user access patterns, security threats, and compliance metrics Analyzed IAM logs with SQL & Python to detect anomalies, insider threats, and unauthorized access attempts

Education

• NxtWave

  NxtWave's CCBP 4.0 Academy, CCBP 4.0 Academy - Genius

• Quli Qutub Shah Government Polytechnic college

  Polytechnic Diploma, Computer Science and Engineering

• Guru Nanak Institutions(GNI)

  Bachelor of Technology - BTech, Computer Science and Engineering