Burp Anonymous Cloud is a Burp Suite extension that performs passive scanning to identify cloud storage buckets and test them for publicly accessible vulnerabilities. The extension integrates with Shodan's search engine to discover cloud buckets across various cloud platforms. Once buckets are identified, it leverages Burp's proxy functionality to conduct vulnerability assessments on these cloud storage resources. The tool focuses on identifying potential security risks in cloud infrastructure by testing for common misconfigurations and access control issues. It operates as a passive scanner, meaning it does not actively exploit vulnerabilities but rather identifies potential security weaknesses. The extension requires both a Shodan API key for cloud bucket discovery and a properly configured Burp proxy setup to function. It is designed to help security professionals assess the security posture of cloud storage implementations during web application security testing.