CYT open-source surveillance project. Running inside a briefcase. BlackHat Arsenal ready. It's called…

Lena T. — Cyber consultant

CYT open-source surveillance project.

Running inside a briefcase.

BlackHat Arsenal ready.

It's called Chasing Your Tail-NG - a Wi-Fi probe request analyzer that tracks devices trying to track you.

I've been building it in the open. Iterating in public. Posting on Substack every step of the way.

And here's the thing about building in the open -

Someone called me out of the blue last week.

No pitch. No outreach. No cold email. Just content.

They found my work. They needed exactly what I do. We're talking.

That's what happens when you stop hiding your process and start showing your work.

The briefcase goes everywhere with me now. 🧳

Follow the build → https://djlena.substack.com

A: Bluetooth keyboard – now paired to the Pi, so I’ve retired the bulky USB keyboard.

B: Raspberry Pi – the brains of the operation, running CYT and talking to Kismet.

C: Wi‑Fi adapter – in monitor mode, sniffing the air for probe requests and other wireless activity.

D: GPS sensor – tagging logs with location data so you can see where suspicious devices show up.

E: Touchscreen – the GUI window into CYT’s brain.

CYT open-source surveillance project. Running inside a briefcase. BlackHat Arsenal ready. It's called…

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