Running Local AI with LM Studio Changed How I Approach Cybersecurity

Rahul GargRahul Garg
3 min read

Most people use ChatGPT for writing emails or debugging code. I use it to help build payload generators, automate recon scripts, and speed up red team tool development — except I don’t use ChatGPT at all.

I run my own models locally, through LM Studio.

No filters. No API keys. No internet required. Just a fast, private AI assistant running directly on my system — helping me move faster, test more ideas, and build smarter tools without boundaries.

Here’s how I set it up and how it’s become a daily part of my cybersecurity workflow.


Why I Stopped Relying on Cloud-Based AI

When I first started experimenting with AI tools like ChatGPT, they were incredibly helpful — until they weren’t. Every time I asked something technical related to payloads, exploit patterns, or shell commands, I hit a wall of content filters.

Even when working on ethical projects or CTFs, responses were either blocked, watered down, or too vague to be useful.

That’s when I realized: if I wanted an AI assistant that actually works the way I do, I’d need to run it myself.


What Is LM Studio?

LM Studio is a free desktop app (Windows and Mac) that lets you run open-source large language models (LLMs) locally — no internet or API needed.

It gives you a clean interface, native GPU support, and access to dozens of high-quality models like:

  • Deepseek-Coder (for code generation)

  • OpenHermes Mistral (for chat + coding)

  • Code LLaMA, WizardCoder, and many more

For cybersecurity work, it’s perfect — you get to pick uncensored models that don’t care what kind of prompt you throw at them.


Setting It Up (Takes ~5 Minutes)

If you have a decent machine (I’m using 16GB RAM and an RTX 3050), setup is easy:

  1. Download LM Studio:
    https://lmstudio.ai

  2. Open the “Models” Tab:
    Search for something like deepseek-coder-6.7b-instruct

  3. Select GGUF Format:
    Choose a quantized version like Q5_K_M for a balance of performance and accuracy

  4. Download and Load the Model:
    Once downloaded, go to the “Chat” tab, pick your model, and start working — no configuration required.


How I Use It for Cybersecurity Work

Here’s how LM Studio fits into my daily workflow as someone writing scripts, automating tasks, and testing tools:

1. Script Generation

I ask the model to write Python scripts for scanning ports, parsing Nmap outputs, or automating OSINT tasks. It understands the syntax and handles repetitive coding tasks quickly.

2. Payload Ideas and Obfuscation

Local models like Deepseek-Coder can help brainstorm payload structures or write basic reverse shells, unlike cloud models that block anything remotely sensitive.

3. Red Team Automation

Need a Bash script that checks for open SMB shares, a PowerShell payload that grabs Wi-Fi credentials, or a wrapper around Metasploit? It’s all possible — and private.

4. Tool Prototyping

Instead of googling for half-baked GitHub scripts, I ask my local model to build a CLI tool from scratch based on my input. Then I tweak and test it in my Kali VM.


Why This Matters

Cybersecurity isn’t about just knowing tools — it’s about understanding how things work under the hood. Having an AI model that actually helps you build instead of holding you back makes a huge difference.

Running models locally gives me:

  • Privacy — nothing leaves my system

  • Freedom — no filtered responses

  • Speed — no internet lag or API limits

  • Control — I choose the models and prompts

And best of all? It’s free after setup. No tokens. No rate limits. Just raw performance and full ownership.


Final Thoughts

If you're serious about cybersecurity and want to integrate AI into your workflow, stop relying on cloud models that weren't built for this kind of work.

Instead, run your own assistant — uncensored, offline, and under your control — with LM Studio.

It won’t just make you faster. It’ll make you better.

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Written by

Rahul Garg
Rahul Garg