diff --git a/README.md b/README.md
index e3fcadf..036b264 100644
--- a/README.md
+++ b/README.md
@@ -96,6 +96,7 @@
 - [Jeep Hack](http://illmatics.com/Remote%20Car%20Hacking.pdf)
 - [Dropcam hacking](https://www.defcon.org/images/defcon-22/dc-22-presentations/Moore-Wardle/DEFCON-22-Colby-Moore-Patrick-Wardle-Synack-DropCam-Updated.pdf)
 - [Printer Hacking live sessions - gamozolabs](https://www.youtube.com/playlist?list=PLSkhUfcCXvqHS4Bqz804OAZqND6bk7OG6)
+- [LED Light Hacking](https://youtu.be/Nnb2ct3hc68)
 
 ********************************************************************************************************************************
 - [IoT-Vuln-with CVE and PoC of tenda and dlink](https://github.com/z1r00/IOT_Vul)
@@ -202,6 +203,7 @@ by Fotios Chantzis, Ioannis Stais, Paulino Calderon, Evangelos Deirmentzoglou, B
 - https://github.com/Riscure/Rhme-2017
 - https://blog.exploitlab.net/2018/01/dvar-damn-vulnerable-arm-router.html
 - https://github.com/scriptingxss/IoTGoat
+- https://exploitthis.ctfd.io
 
 ********************************************************************************************************************************
 ### YouTube Channels for IoT Pentesting
@@ -655,3 +657,4 @@ by Fotios Chantzis, Ioannis Stais, Paulino Calderon, Evangelos Deirmentzoglou, B
 -  [Arun Magesh](https://www.linkedin.com/in/marunmagesh)
 -  [Mr-IoT](https://twitter.com/v33riot)
 -  [QKaiser](https://twitter.com/qkaiser)
+-  [9lyph](https://twitter.com/9lyph)
diff --git a/contributors.md b/contributors.md
index 04c4338..1d6e9b2 100644
--- a/contributors.md
+++ b/contributors.md
@@ -19,3 +19,4 @@
 5. [Ajmal Aboobacker](https://github.com/B3EF)
 6. [risirajdey](https://github.com/RDxR10)
 7. [Mohammed Saqeeb Shariff](https://www.linkedin.com/in/mdsaqeeb/)
+8. [Victor Hanna](https://github.com/9lyph)