Cybersecurity for IT security before quantum computer intelligence

With quantum computers the limits of computing efficiency can be greatly expanded. They will solve problems that computers cannot cope with today. However, they could also be used for other purposes in order to make the currently common public key encryption methods unsafe. Rohde + Schwarz cyber security therefore researches the defense against such threats.

Secure communication networks have the status of a critical infrastructure. Cyber ​​attacks are increasing and affecting businesses, authorities and private individuals alike. The development of quantum computers always opens up new ways of data transmission. But the high-performance computers will probably also decrypt our current asymmetric cryptographic processes and endanger secure data traffic. For a high security standard of the future, experts are researching post-quantum cryptography and quantum key exchange.

Transfer sensitive information confidentially

As a result, one would like to counter this danger. Sensitive information must be transmitted in such a way that they remain confidential. This is where quantum states become distribution cryptographic key used. Due to the fundamental laws of quantum physics, these cannot be copied, read or even manipulated unnoticed. Using secure, classically symmetrical cryptographic procedures, these quantum states can be converted to Protection of confidentiality and the integrity of the actual user data.

Rohde + Schwarz Cybersecurity would like to conduct research at the Encryption of the future drive forward. To this end, the IT security expert makes his cryptological expertise and his experience in building and implementing secure devices available to numerous research projects.

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This will probably run until mid-2020 Hardware-based quantum security project (HQS). The aim of the research project is to develop hardware for quantum-based key exchange and its use with classic encryption systems.

A highly secure communication should then be established on this. In this context the optical communication is about Fiberglass and explored through the air. The Ludwig Maximilians University of Munich and the Max Planck Institute for the Science of Light are also involved in the project.

Several research projects on quantum technology

Rohde + Schwarz Cybersecurity is still part of the European Open QKD project. It aims to strengthen Europe's global position at the forefront of quantum communication capacities. The aim of the project is the integration of quantum-based solutions in the European digital landscape on a broad basis.

There should be several open QKD testbeds and smaller demonstrators will be created to introduce network functionality and use cases to potential end users and relevant stakeholders. The development of an innovation ecosystem, a training ground and assistance in expanding the technology and solution supply chains for quantum communication are part of the major European project.

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The one launched in November 2019 Qunet project sets up a pilot network for quantum communication in Germany. It is used for eavesdropping and manipulation-proof data transmission. First of all, the network is for that Communication thought between federal agencies. In addition to the Fraunhofer Society, Max Planck Society and the German Aerospace Center, Rohde + Schwarz Cybersecurity is part of the advisory board on the BMBF-funded project.

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