This legislation, known as the Securing the Cities Improvement Act, aims to strengthen the existing Securing the Cities (STC) program by amending the Homeland Security Act of 2002. It significantly alters the criteria for designating eligible jurisdictions, moving beyond a simple "high-risk urban areas" definition to ensure a more comprehensive assessment of risk. This change broadens the scope and clarifies the specific factors considered for program participation, focusing on a jurisdiction's overall preparedness. Under the revised criteria, jurisdictions will be selected based on their capability and capacity for preparedness and response , as well as their relative threat, vulnerability, and potential consequences from terrorist attacks or other high-consequence events involving nuclear or radiological materials. This ensures that resources are directed to areas most critically in need of enhanced security against such specific threats. The updated eligibility aims to optimize the program's effectiveness in safeguarding against catastrophic incidents. Furthermore, the bill mandates the establishment of clear performance metrics and milestones for the STC program, requiring the monitoring of expenditures and tracking of performance against these benchmarks to introduce a stronger accountability framework. Finally, it requires the Secretary to submit a detailed report to Congress within two years, outlining program participation, the established metrics, actual performance, and any planned program modifications. This comprehensive reporting provision significantly enhances congressional oversight and promotes greater transparency in the program's operations and outcomes.