diff --git a/wiki/pages/learning-opportunities.md b/wiki/pages/learning-opportunities.md
index 7fdf383..6b31567 100644
--- a/wiki/pages/learning-opportunities.md
+++ b/wiki/pages/learning-opportunities.md
@@ -19,6 +19,15 @@ Please, just be mindful of efficient coding practices while working on these.
 * [Project Euler](https://projecteuler.net/)
 * [Advent Of Code](https://adventofcode.com/)
 
+## Security Challenge Websites
+
+These challenges focus primarily on practicing various computer security principles
+
+* [Hack The Box](https://www.hackthebox.eu/)
+* [Embedded Security CTF](https://microcorruption.com/)
+* [OverTheWire](https://overthewire.org/wargames/)
+* [Cryptopals](https://cryptopals.com/)
+
 ## Internships and Other Developmental Opportunities
 
 ### Formlabs