curl --location --request GET 'http://jira.local:8080/jira/rest//rest/api/3/issuesecurityschemes'
{"issueSecuritySchemes":[{"self":"https://your-domain.atlassian.net/rest/api/3/issuesecurityschemes/10000","id":10000,"name":"Default Issue Security Scheme","description":"Description for the default issue security scheme","defaultSecurityLevelId":10021}]}