The Google Transparency Report is a public resource that provides detailed insights into how Google handles issues like government requests for user data, content removal, and certificate transparency logs. One key feature, the Certificate Transparency section, logs all issued SSL/TLS certificates, helping to detect fraudulent or misissued certificates. For penetration testers, this report serves as a valuable reconnaissance tool by enabling them to discover all SSL/TLS certificates associated with a target’s domains, including subdomains and newly issued certificates. This information can reveal overlooked assets, infrastructure changes, or potential security gaps, allowing testers to map the target’s attack surface more comprehensively and identify weaknesses that might otherwise remain hidden.
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