diff --git a/README.md b/README.md
index be2bd66..0aa693b 100644
--- a/README.md
+++ b/README.md
@@ -226,6 +226,7 @@
 - [Concurrency Is Not Parallelism](https://newsletter.systemdesign.one/p/concurrency-is-not-parallelism)
 - [15 Pitfalls That Break Cloud Systems](https://newsletter.systemdesign.one/p/cloud-system-design)
 - [What is Context Engineering?](https://newsletter.systemdesign.one/p/what-is-context-engineering)
+- [Cybersecurity Terms Every Software Engineer Must Know](https://newsletter.systemdesign.one/p/cybersecurity-fundamentals)
 
 
 #### D technologies