Minecraft version 1.12.2

Minecraft forge 14.23.5.2838

Mod version 1.12.2-0.11.3-366

Video:
https://youtu.be/dohIFfVqb7U

Steps to reproduce:

1. Place security station
2. Set up network as seen in image
3. Click "Test Security"
4. Click the two nodes connected to the IO port

Edit:
After further testing, it seems only the second node needs to be hacked (The node below the IO port)

Confirmed.