# Granef

Granef is a Digital Forensics product. It runs in the cloud or on-premises (hybrid). Pricing is free.

A network forensics toolkit that transforms network traffic data into graph-based representations for interactive analysis and visualization through a web interface.

Checked October 2026.

## What is Granef?

Granef is a toolkit for network forensics that implements graph-based analysis of network traffic data.

The toolkit processes network traffic captures and stores them in a Dgraph database for analysis through a web interface.

Key components include:
- Docker container modules for data processing
- Transformation of Zeek logs from PCAP files into RDF triples
- Support for MISP threat sharing data and NetFlow traffic analysis
- Interactive web interface for exploratory data analysis
- Database schema based on Zeek log format
- Predefined queries and visualizations for network traffic analysis

The system architecture consists of:
- Extraction modules for processing input data
- Transformation modules for data conversion
- Data handling module with graph database
- API module for querying
- Web interface for analysis and visualization

Tags: Visualization, Graph, Zeek

## Where it fits in your security program (NIST CSF 2.0)

- [Detect](https://cybersectools.com/guides/building-detect-program-small-team): helps you spot attacks and unusual activity.
- [Respond](https://cybersectools.com/guides/building-respond-program-small-team): helps you contain and handle incidents.

## Quick facts

- Category: [Security Operations](https://cybersectools.com/categories/security-operations) · [Digital Forensics](https://cybersectools.com/categories/digital-forensics)
- Deployment: Hybrid
- Company size fit: Mid-Market, Enterprise
- Pricing model: Free
- Website: granef.csirt.muni.cz

## Where it ranks

No shortlist covers this product's category yet. The closest is [Best MDR Solutions for Business](https://cybersectools.com/shortlists/best-mdr-solutions).

## Granef FAQ

### What is Granef?

Granef is a product in the Digital Forensics category. It covers Visualization, Graph and Zeek.

### What is the pricing for Granef?

Granef is free. Download and setup instructions are at https://granef.csirt.muni.cz/.

### What are alternatives to Granef?

Alternatives to Granef listed on CybersecTools:

1. [Telesoft TDAC](https://cybersectools.com/tools/telesoft-tdac) (Commercial)
2. [Cyber Triage Automated Investigation Platform](https://cybersectools.com/tools/cyber-triage-automated-investigation-platform) - Automated DFIR platform for rapid incident investigation and endpoint triage (Commercial)
3. [AhnLab A-FIRST 디지털 포렌식 서비스](https://cybersectools.com/tools/ahnlab-a-first-digital-forensics-service) - Digital forensics service for incident analysis and APT response (Commercial)
4. [ExtraHop Packet Forensics](https://cybersectools.com/tools/extrahop-packet-forensics) - Continuous full packet capture and forensics for network investigations (Commercial)
5. [Menlo Security Browsing Forensics](https://cybersectools.com/tools/menlo-security-browsing-forensics) - Browser session recording & forensics for incident investigation & analysis (Commercial)

Compare all Granef alternatives at [https://cybersectools.com/alternatives/granef](https://cybersectools.com/alternatives/granef)

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

Granef is available as cloud or on-premises (hybrid). It is listed for mid-market companies and enterprises. It is free.

## Compare Granef with similar solutions

- [Granef vs Telesoft TDAC](https://cybersectools.com/compare/granef-vs-telesoft-tdac)
- [Granef vs Cyber Triage Automated Investigation Platform](https://cybersectools.com/compare/cyber-triage-automated-investigation-platform-vs-granef)
- [Granef vs AhnLab A-FIRST 디지털 포렌식 서비스](https://cybersectools.com/compare/ahnlab-a-first-digital-forensics-service-vs-granef)

All alternatives to Granef: [/alternatives/granef](https://cybersectools.com/alternatives/granef)

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Source: https://cybersectools.com/tools/granef

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on Granef: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md