Worked on security remediation within the datastax/cassandra repository by addressing a SNYK-reported vulnerability through a targeted upgrade of the Netty dependency to version 4.1.135.Final. Focused on dependency management and Java, the effort centered on reducing CVE exposure and strengthening the platform’s security posture without introducing new features or regressions. The process involved validating builds and tests to ensure stability, updating XML configuration files, and aligning the implementation with current security advisories. Documented the changes thoroughly in release notes and communicated the risk reduction to stakeholders, demonstrating a methodical approach to security and maintenance in a production environment.