Analyze how advanced security concepts are applied to develop secure code

package com.twk.restservice; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.RestController; @RestController public class CRUDController { @RequestMapping("/read") public CRUD CRUD(@RequestParam(value="business_name") String name) { DocData doc = new DocData(); return new CRUD(doc.toString()); } }