Ninjutsu OS 2 is a specialized, Windows-based penetration testing distribution designed for security experts, red teamers, and ethical hackers

Introduction

  1. Install Oracle VirtualBox on Windows.
  2. Click New → Name: Ninjutsu OS 2 → Type: Linux → Version: Debian (64-bit).
  3. RAM: 4096 MB → Create virtual disk (20 GB VDI).
  4. Go to Settings → Storage → Empty CD → Choose the downloaded ISO.
  5. Start the VM → Follow installation prompts.

Post-Installation: Once installed, it is recommended to update the pre-installed tools via the built-in software manager. Important Security Note

Issue: Windows 11 SmartScreen blocks the download.
Fix: Click "Keep anyway" or temporarily disable SmartScreen. Then re-enable it.