In the world of cybersecurity, adaptability and versatility are key. Cyber threats can emerge from anywhere, at any time, and being prepared to tackle them on the go is essential. A portable pentesting system that combines a Raspberry Pi 4, network switch, and an Alfa Radio Adapter, all neatly mounted on a plastic cutting board with a handle for easy transport. Lol, yes a cutting board. I made this a few years ago, and had it in a pelican case, but it was to cumbersome, so I changed things up. I wanted to mount it to a plexiglass board, but then I saw an old plastic cutting board in my cupboard, and said this would work.

My thought to create a portable pentesting system began with a desire for a setup that could be easily carried from one location to another. I envisioned a system that could be deployed at a moment's notice, allowing me to assess network security and conduct penetration tests wherever the need arose.

The Components

1. Raspberry Pi 4: At the heart of this portable system is the Raspberry Pi 4 running Kali Linux. Its compact size make it an ideal choice for on-the-go pentesting, and can be powered easily by a portable USB battery pack.

2. Network Switch: To manage multiple network connections and devices, I incorporated a compact D-Link DES-105 network switch. I used this specific switch, as the switch is powered by a 5 volt power brick, which I rewired to a USB connection, so it can be powered by my battery pack.

3. Alfa Radio Adapter: The Alfa Radio Adapter is a crucial component for wireless security testing. Its long-range capabilities and compatibility with Kali Linux make it a valuable addition to the kit, as it supports monitor mode, and packet injection. The model I’m using is Alfa AWUS036NHA.

4. Jackery Titan 18000mAh portable battery pack: This battery pack powers the kit for several hours, and has two USB-A ports. One of the ports is 1 amp, and the other port is 2.4 amps.

Crafting the Portable Pentesting System

To bring this project to life, I used a plastic cutting board as the base. Its durability and lightweight and has a handle, and is large enough to fit all the components.

Positioning the Raspberry Pi 4, network switch, Alfa Radio Adapter and battery on the board was straightforward. Double sided adhesive tape ensure that everything stays securely in place, yet can be easily removed and repositioned when necessary.

The Power Source

A key consideration for a portable pentesting system is the power source. For this, I opted for a high-capacity portable battery pack. This ensures that my setup can operate for an extended period without the need for a direct power connection. I performed a test to see how long the battery would last, and during an idol load, the system stayed powered for 16 hours.

Taking It for a Spin

The real test of any pentesting setup is in its functionality. I've used this portable system in various scenarios, from testing the security of Wi-Fi networks in public places to conducting internal network assessments for clients. Its flexibility and portability have proven invaluable.

Conclusion

My portable pentesting system with a Raspberry Pi 4, a network switch, and an Alfa Radio Adapter has become an essential tool in my cybersecurity toolkit. It's a testament to the possibilities of DIY cybersecurity solutions and the importance of adaptability in the ever-changing world of online security.

Whether you're a cybersecurity enthusiast, a professional, or just someone interested in exploring the world of ethical hacking, a portable pentesting system like this can open up a world of possibilities. The ability to take your cybersecurity skills and tools with you wherever you go is a game-changer in a field where staying one step ahead of threats is paramount.

So, consider building your own portable pentesting system, and tailor it to your needs. Happy building!

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