Maltego is an Open Source Intelligence (OSINT) and link analysis tool used during reconnaissance and digital investigations. It enables users to explore relationships between entities such as domains, IP addresses, email addresses, organizations, and people through a visual interface.
- Collects information from multiple public data sources using Transforms.
- Includes predefined Machines for automated reconnaissance workflows.
- Supports investigations involving domains, IP addresses, email addresses, websites, and organizations.
- Represents collected information as interactive entity graphs.
- Allows users to extend functionality by installing additional transforms.
- Comes pre-installed in Kali Linux under the Information Gathering category.
Using Maltego in Kali Linux
Step 1: Launch Maltego
Open the terminal and execute the following command:
maltego
Step 2: Sign In
When Maltego opens:
- Sign in using your existing Maltego account.
- If you do not have an account, create a free account and complete the registration process.
- After successful login, the Maltego home screen will appear.
Note: An active internet connection is required for authentication and online transforms.
Step 3: Create a New Investigation
- Click New Graph.
- Select Machines from the menu bar.
- Click Run Machine.

Step 4: Choose a Machine
A Machine is a predefined workflow that automates a specific reconnaissance task.
Select the machine based on your investigation, such as:
- Domain Footprint
- Email Address Footprint
- Person Footprint
- Company Footprint

- Click Next to continue.
Step 5: Enter the Target
Provide the target information required by the selected machine, such as:
- Domain name
- IP address
- Email address
- Person's name
- Company name
- Click Finish to start the investigation.

Advantages
- Reduces manual effort during reconnaissance.
- Helps discover hidden relationships between entities.
- Saves time by automating repetitive information gathering tasks.
- Improves the accuracy and organization of collected intelligence.
Limitations
- Some advanced transforms are available only in the paid editions.
- An active internet connection is required for most investigations.
- The accuracy of results depends on the quality and availability of public data.