feat: add hacker search engine URL

RoseSecurity · web-flow · commit 76fc3adf899f · 2025-12-29T11:40:02.000-05:00
Added a note about threat intelligence search engines.
diff --git a/Threat_Intel.md b/Threat_Intel.md
@@ -1,5 +1,8 @@
 # Threat Intelligence TTPs
 
+> [!IMPORTANT]
+> For a comprehensive list of threat intelligence search engines, see this [awesome list](https://github.com/edoardottt/awesome-hacker-search-engines)
+
 ## Query IP geolocation information with IP2Location.io
 
 ``` bash
