What are the best practices for securing CI CD pipelines against vulnerabilities

Question

This question considers the best practice in place to ensure vulnerabilities that might affect the pipeline of CI/CD cannot affect the software development life cycle. An excellent answer ought to reflect on the relevant practices that include secure reviews of codes, automated use of security scans, realization of RBAC, secret management, and integration for vulnerability scanning tools. Additional considerations include how to monitor the activity of a pipeline and respond quickly in case of a perceived security threat. The following best practices can also be further explored in keeping dependencies and images up-to-date:.