Worked on enhancing the reliability of MACsec session management in the sonic-net/sonic-swss repository, focusing on system programming and network device management using C++. Addressed a critical memory corruption issue that occurred during MACsec profile updates or when toggling MACsec on ports. The solution involved implementing a memory-safe session lifecycle, ensuring that existing MACsec sessions were properly finalized before new ones were created. This approach prevented data loss and reduced the risk of outages during security configuration changes. The work improved the stability of MACsec-enabled ports, contributing to more robust and dependable network security operations within the codebase.