The first step in enhancing security is to assess the current security status of the legacy systems. This includes identifying vulnerabilities and threats, evaluating compliance with industry standards, and identifying areas that need improvement. This allows us to understand the current security posture of the system and develop a plan to improve it.

Once the current security status has been assessed, we implement best practices to improve security. This includes establishing secure development practices, implementing security controls and protocols, and educating employees about security best practices. This ensures that the systems are as secure as possible and that the risk of a security breach is minimized.

Security is an ongoing process, and it's essential to continuously monitor and maintain the systems to ensure they remain secure. This includes continuous security testing and assessment, keeping up-to-date with the latest threats and vulnerabilities, and implementing security updates and patches as needed.