diff --git a/README.md b/README.md
index b5806d4..07a2d69 100644
--- a/README.md
+++ b/README.md
@@ -1125,6 +1125,18 @@ Content about: Privacy and security tutorials and reviews \
Featured playlists: `Go Incognito: A Guide to Security, Privacy, & Anonymity`. \
+[](https://www.youtube.com/@OpenSecurityTraining)
+
+[**OpenSecurityTraining2**](https://www.youtube.com/@OpenSecurityTraining) \
+Content about: Malware identification, Exploits, Reverse engineering \
+Featured playlists: `Dynamic Malware Analysis`, `Reverse Engineering Malware`, `Intro Reverse Engineering`, `Intro Trusted Computing`, `Introduction to ARM`.
+
+[](https://www.youtube.com/@GuidedHacking)
+
+[**Guided Hacking**](https://www.youtube.com/@GuidedHacking) \
+Content about: Ethical hacking, Penetration testing \
+Featured playlists: `Game Hacking 100 - Game Hacking Course`, `C++ Pattern Scanning Tutorial`, `Linux Hacking Tutorials`.
+
[🔼 Back to the top](#contents)
## Internet/networking
@@ -1464,6 +1476,12 @@ Content about: Various devices, Linux, Open source \
Featured playlists: `DIY / Repair`, `Retro / Vintage`, `Linux`, `FPGA`. \
+[](https://www.youtube.com/@stacksmashing)
+
+[**stacksmashing**](https://www.youtube.com/@stacksmashing) \
+Content about: Reverse engineering, Video game hacking \
+Featured playlists: `Game & Watch Hacking`, `Game Boy Hacking`, `Embedded & IoT hacking`, `Reversing WannaCry`.
+
[🔼 Back to the top](#contents)
## Competitive Programming