diff --git a/README.md b/README.md
index 91c28ff..ef472d8 100644
--- a/README.md
+++ b/README.md
@@ -175,6 +175,7 @@ Piotr Duszynski|[Modiishka](https://github.com/drk1wi/Modlishka)
 |Tool aids hunting and Incident Response in Azure, Azure Active Directory, and Microsoft 365 Environments|CISA|[Untitled Goose](https://www.cisa.gov/news-events/alerts/2023/03/23/untitled-goose-tool-aids-hunt-and-incident-response-azure-azure-active-directory-and-microsoft-365)
 |PowerShell module to collect logs and rules from M365|Invictus IR|[Microsoft Extractor Suite](https://microsoft-365-extractor-suite.readthedocs.io/en/latest/index.html)
 |A fork of the Hawk PowerShell module which adds additional data-gathing features and removes deprecated modules and commands.|Syne0|[Osprey](https://github.com/syne0/osprey)
+|Infostealer Intelligence Toolset - check if an email address was compromised in a global infostealer malware attack|Hudson Rock|[Hudson Rock](https://www.hudsonrock.com/threat-intelligence-cybercrime-tools)
 
 ### Assessment Tools