Quandanga Network will be based in Brasília, testing with fiber optics, QKD, and post-quantum cryptography to protect sensitive data, strengthen national encryptors, and prepare critical infrastructures against future cyber threats in the telecommunications sector
Brazil has initiated a new phase in network security with the Quandanga Network, a partnership between Anatel and the Military Institute of Engineering to develop tests in quantum communication. The initiative will have a physical base in Brasília and aims to advance technologies focused on the protection of sensitive data and critical infrastructures.

Quandanga Network will have an experimental structure in Brasília
The first meeting about the Quandanga Network took place on May 22 and brought together strategic representatives from the National Telecommunications Agency and the Military Institute of Engineering.
The main objective was to discuss the creation of a permanent experimental infrastructure aimed at studying advanced secure communication technologies.
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From Anatel, the participants included counselor Edson Holanda, superintendent Suzana Rodrigues, manager Andrey Perez, and coordinator Humberto Pontes.
The IME was represented by the commander and rector, division general Juraci Ferreira Galdino, and researcher and lieutenant colonel Vítor Carneiro.
The network will have a physical base in Brasília, in a space dedicated to testing with Quantum Key Distribution, known as QKD, and Post-Quantum Cryptography, called PQC. Both technologies are aimed at protecting complex connections.
Project targets network security and critical infrastructures
Anatel reported that Brazil still occupies a “modest” position in the global scenario of investment and development of cutting-edge technologies for the protection of sensitive data.
In this context, the partnership with the IME seeks to accelerate the construction of national capacity in this field.
The advancement of cyber threats appears as one of the factors driving the initiative. The proposal is to prepare networks and critical infrastructures for future risks, with more sophisticated defense methods and greater technological expertise within the country.
In a statement, Anatel highlighted that the meeting opened space for institutional rapprochement on an agenda relevant to telecommunications, including network security, resilience of critical infrastructures, regulatory innovation, and international participation in standardization bodies, such as ITU-T.
Tests will use fiber optics and light beam communication
The project foresees fast and secure connections through long-distance fiber optic cables. It will also test FSO technology, an acronym for Free Space Optics, or free space optical communication.
In this model, data is transmitted by light beams through the air. The proposal is to combine this type of wireless communication with advanced encryption techniques, expanding the possibilities for network security testing.
IME has already achieved results in this sector by setting up a laboratory with 40 km of fiber optics. The specialists also managed to transmit encrypted messages using quantum keys.
Integration with national encryptors seeks to strengthen local capability
The initiative also began the process of integration with national encryptors. The measure seeks to strengthen the local industry and expand the scientific capacity of Brazilian professionals working in the telecommunications sector.
In addition to the Quandanga Network, the base material cites the “quantum GPS” as another technology with innovation potential, allowing navigation independent of satellites.
This article was prepared based on information from Anatel and the provided base material, with data, numbers, and statements preserved as per the consulted material.


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