5<scp>G</scp>‐Core Network Security

Ahmad, Ijaz; Suomalainen, Jani; Huusko, Jyrki

doi:10.1002/9781119471509.w5gref151

Cited by 7 publications

(5 citation statements)

References 28 publications

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“…Ref. [31] presents the network architecture and the security issues within the core layer of the 5G network. Figure 1 gives the layered architecture of the 5G network, which includes a device layer, radio layer, edge layer, core layer and service layer.…”

Section: Layered 5g Architecturementioning

confidence: 99%

“…The consequence of a successful breach in this case can range from compromise of user privacy to a potential full-scale attack on the network infrastructure and services. [31,33], which need to be assessed while designing any 5G core network. Both control and user planes may be affected by these attacks, which include DoS and spoofing attacks on AMF, routing attacks on AUSF and UPF and SIP relay attacks on IMS AF.…”

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confidence: 99%

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A Layered Approach to Threat Modeling for 5G-Based Systems

2022

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The rise of 5G networks promises a wide range of cutting-edge services with the aim of achieving high performance and reliability. Cutting-edge applications facilitated by 5G architecture make use of various enabling technologies, which introduce various new and emerging security threats and attacks. Threat modeling is a proactive approach to identify security requirements, as well as potential threats and vulnerabilities, and prioritize remediation methods. In addition, 5G networks are complex and are usually divided into separate layers to foster the understanding and management of different functionalities. The open nature of 5G envisages that multiple vendors and service providers might be working on network deployment and service provisioning; it is therefore necessary to address and categorize the threats at each layer distinctly. This paper presents a threat model for 5G-based systems. It leverages the layered 5G architecture, identifying threat categories and mapping these to corresponding layers. It also analyzes enabling technologies affected by identified threats along with threat actors, entry points, and the impact of threat categories. Through the development of this threat model, we envisage facilitating further research into specific threats and mechanisms to protect against them.

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Section: Layered 5g Architecturementioning

confidence: 99%

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confidence: 99%

A Layered Approach to Threat Modeling for 5G-Based Systems

2022

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“…Such centralization would invite DoS and other resource exhaustion attacks. On the core network side, most of the security challenges are related to signaling storms, DoS attacks, and the security dependability on SDN and NFV [49]. In the following, we discuss the security challenges in cloud platforms from the core network to the edge of the network.…”

Section: B Security Of Cloud Platformsmentioning

confidence: 99%

An Overview of the Security Landscape of Virtual Mobile Networks

et al. 2021

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5G enables the use of different types of services over the same physical infrastructure through the concepts and technologies of virtualization, softwarization, network slicing and cloud computing. Mobile Virtual Network Operators (MVNOs), using these concepts, provide an opportunity to share the same physical infrastructure among multiple operators. Each MVNO can have own distinct operating and support systems. However, the technologies used to enable such an environment have their own explicit security challenges and solutions. The integrated environment built upon these novel concepts and technologies, thus, will have complex security implications and requirements to be satisfied. In this vain, this article provides an overview of the security challenges and potential solutions for MVNOs.

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Section: Security Of Cloud Platformsmentioning

confidence: 99%

Overview of Security of Virtual Mobile Networks

Ahmad,

Harjula,

Pinola

2020

Preprint

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5G is enabling different services over the same physical infrastructure through the concepts and technologies of virtualization, softwarization, slicing and cloud computing. Virtual Mobile Networks (VMNs), using these concepts, provide an opportunity to share the same physical infrastructure among multiple operators. Each VMN Operator (VMNO) can have own distinct operating and support systems. However, the technologies used to enable VMNs have their own explicit security challenges and solutions. The integrated environment built upon virtualization, softwarization, and cloudification, thus, will have complex security requirements and implications. In this vain, this article provides an overview of the security challenges and potential solutions for VMNs.

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5G‐Core Network Security

Cited by 7 publications

References 28 publications

A Layered Approach to Threat Modeling for 5G-Based Systems

A Layered Approach to Threat Modeling for 5G-Based Systems

An Overview of the Security Landscape of Virtual Mobile Networks

Overview of Security of Virtual Mobile Networks

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