The Cloud Security Summary widget of the dashboard shows the overall security posture of the Azure resources in the different geographies. The widget provides the number of issues discovered in each region. You can click on any of the region to drill down to the region and issue details.
The Cloud Compliance Summary widget provides the policy compliance summary across all the regions as a timeline graph. The timeline view helps in analyzing the number of compliance issues resolved or newly discovered on a day to day basis. The widget provides the overall compliance health (in percentage) along with the total number of passed and failed compliance checks. To remediate the issue, you can either click on the hyperlink objects on the graph or select the Compliance Remediation tab.