Cybersecurity Engineer
Tata Consultancy ServicesJan, 2021 - Present4 yr 10 months
Developed cryptographic libraries using OpenSSL and MbedTLS in C/C++ for encryption, decryption, hashing, and certificate handling. Built asset management and threat analysis tools with MySQL, JavaScript, NodeJS, and HTML. Developed secure diagnostic service POCs (0x27 Security Access and 0x29 Authentication) using OpenSSL and MbedTLS. Implemented diagnostic services in CANOE with CAPL scripting. Created secure debug access POC using JWT tokens, Node.js server, and HTML UI. Implemented MQTT protocol in C for automotive IoT use cases and performed penetration testing on MQTT including reconnaissance, denial-of-service, brute force authentication, and cross-protocol attacks.