5G is the new generation infrastructure for radio communication that will enable Internet of Things (IoT) and envisions pervasive connectivity for future mobile devices. Additionally, 5G is expected to enable safety and reliability critical systems, such as remote surgery or vehicle-to-vehicle communication, which are in their early stages now, but are expected to excel by 2020. 5G will have to be a seamless infrastructure, satisfying everyone’s communication needs, invisibly but dependably.

Horizon 2020, the largest ever EU Research and Innovation funding program, has allocated funding for the first phase of projects of the European 5G Infrastructure Public Private Partnership (5G-PPP). 5G-PPP focus on the challenges of creating an infrastructure capable of coping with all future demands by 2020, helping to create new markets. 5G-ENSURE, the security project of 5G-PPP, has received funding of just over €7.5m out of a total €3.5bn for the 5G-PPP initiative.

5G-ENSURE will define and deliver a 5G security architecture and an initial set of security enablers, addressing some of the foremost security concerns, to not only meet the basic security requirements in confidentiality, integrity and privacy, but also foster users’ confidence in mobile telecommunication.

SICS Security lab are mainly engaged in three selected areas of 5G-ENSURE: Security architecture, AAA Enablers, SDN and NFV enablers, and also act as task lead for the AAA task.

AAA is a framework of protocols and stands for Authentication, Authorization and Accounting, a technical way of asking the questions “Who are you?”, “What are you allowed to do” and “What did you do”. Existing methods in UMTS (3G) and LTE (4G) will not scale with the expected boom of IoT devices, novel methods and protocol advancements are necessary to make 5G the network of excellence for IoT. Additionally, newly discovered weaknesses in current generation protocols will be addressed. Altogether, the new AAA protocols will rely and build on the 5G-ENSURE proposed 5G security architecture.

SDN stands for Software Defined Network. A network infrastructure based on SDN is centrally controlled and can be configured independent of hardware. SDN has many advantages, it provides a central way to upgrade the network to add new functionally and security features, independent of hardware. Network virtualization allow multiple users to independently build and operate numerous network configurations, using the same physical infrastructure. SDN is seen as a prerequisite for the “as a service” approach in 5G.

5G-ENSURE consist of a consortium of 14 organizations, comprising research institutes, academia, telecom infrastructure providers and operators.

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