diff --git a/tools.md b/tools.md
index 3333b92..569d1ba 100644
--- a/tools.md
+++ b/tools.md
@@ -52,6 +52,7 @@
  * [Contact Out](https://contactout.com/): Get private information from LinkedIn accounts.
  * [';--have i been pwned?](https://haveibeenpwned.com/): Check if your email address is in a data breach.
  * [hunter.io](https://hunter.io/): Hunter lets you find email addresses in seconds and connect with the people that matter for your business.
+ * [Hudson Rock](https://www.hudsonrock.com/threat-intelligence-cybercrime-tools): Check if a specific email address was compromised in global Infostealer malware campaign
  * [Instant People Search](https://www.privateeye.com/): Searching people.
  * [intelius](https://www.intelius.com/): Searching people.
  * [peekyou](https://www.peekyou.com/): Searching people.
@@ -933,4 +934,4 @@ Collection of malware source code for a variety of platforms in an array of diff
 
 Licensed under the [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0) ([`LICENSE-APACHE`](LICENSE-APACHE)) or the [MIT license](https://opensource.org/licenses/MIT) ([`LICENSE-MIT`](LICENSE-MIT)), at your option.
 
-`SPDX-License-Identifier: (Apache-2.0 OR MIT)`
\ No newline at end of file
+`SPDX-License-Identifier: (Apache-2.0 OR MIT)`