# InternalBlue

InternalBlue is a Penetration Testing product. It runs on-premises. Pricing is free.

InternalBlue is a Bluetooth experimentation framework that enables low-level firmware interaction with Broadcom chips for security research and attack prototype development.

Checked October 2026.

## What is InternalBlue?

InternalBlue is a Bluetooth experimentation framework that enables security researchers to interact with Broadcom Bluetooth chip firmware at a low level.

The framework was developed through reverse-engineering the firmware interaction and update mechanisms of Broadcom chips, providing researchers with capabilities to inject and monitor packets directly at the link layer.

InternalBlue supports various research activities including protocol analysis, vulnerability research, and attack prototype development for Bluetooth communications.

The tool allows researchers to bypass normal Bluetooth stack limitations and interact directly with the underlying firmware, enabling deeper analysis of Bluetooth security mechanisms and potential weaknesses.

It provides functionality for packet injection, monitoring, and manipulation at the Bluetooth link layer, making it useful for understanding Bluetooth protocol behavior and developing security assessments.

Tags: Vulnerability Research, Wireless Security, Packet Analysis, Research, Firmware Analysis, Reverse Engineering, Packet Capture, Bluetooth, Protocol Analysis

## Quick facts

- Category: [Offensive Security](https://cybersectools.com/categories/offensive-security-testing) · [Penetration Testing](https://cybersectools.com/categories/pentesting-tools)
- Deployment: On-Premises
- Company size fit: Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 745
- Website: github.com

## InternalBlue FAQ

### What is InternalBlue?

InternalBlue is a product in the Penetration Testing category. It covers Vulnerability Research, Wireless Security and Packet Analysis.

### What is the pricing for InternalBlue?

InternalBlue is free. Download and setup instructions are at https://github.com/seemoo-lab/internalblue/.

### What are alternatives to InternalBlue?

Alternatives to InternalBlue listed on CybersecTools:

1. [FuzzingLabs Telecom 4G/VoLTE/5G Fuzzer](https://cybersectools.com/tools/fuzzinglabs-telecom-4gvolte5g-fuzzer) - Fuzz-testing tool for auditing 4G, VoLTE, and 5G telecom network elements and protocols (Commercial)
2. [OffSec Penetration Testing Services](https://cybersectools.com/tools/offsec-penetration-testing-services) (Commercial)
3. [COGICEO Pentests](https://cybersectools.com/tools/cogiceo-pentests) - Penetration testing service by French firm COGICEO to find and fix IT security (Commercial)
4. [HackerHub8 VAPT](https://cybersectools.com/tools/hackerhub8-vapt) - Manual and automated VAPT service covering web, API, network, cloud, mobile and wireless (Commercial)
5. [Tempest Pentest](https://cybersectools.com/tools/tempest-pentest) (Commercial)

Compare all InternalBlue alternatives at [https://cybersectools.com/alternatives/internalblue](https://cybersectools.com/alternatives/internalblue)

### What deployment and organization size does InternalBlue fit?

InternalBlue is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.

## Compare InternalBlue with similar solutions

- [InternalBlue vs FuzzingLabs Telecom 4G/VoLTE/5G Fuzzer](https://cybersectools.com/compare/fuzzinglabs-telecom-4gvolte5g-fuzzer-vs-internalblue)
- [InternalBlue vs OffSec Penetration Testing Services](https://cybersectools.com/compare/internalblue-vs-offsec-penetration-testing-services)
- [InternalBlue vs COGICEO Pentests](https://cybersectools.com/compare/cogiceo-pentests-vs-internalblue)

All alternatives to InternalBlue: [/alternatives/internalblue](https://cybersectools.com/alternatives/internalblue)

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