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Articles

  TLS-PKI-Challenges-and-Certificate-Pinning-Techniques-for-IoT-and-M2M-Secure-Communications
» 1.2 MiB - 183 hits - 2 December, 2019
TLS-PKI-Challenges-and-Certificate-Pinning-Techniques-for-IoT-and-M2M-Secure-Communications

  DNS_DANE_Collision-Based_Distributed_and_Dynamic_Authentication_for_Microservices_in_IoT.pdf
» 1.4 MiB - 196 hits - 23 July, 2019
DNS/DANE Collision-Based Distributed and Dynamic Authentication for Microservices in IoT

  Seamless Human-Device Interaction in the Internet of Things
» 728.2 KiB - 158 hits - 1 November, 2017
The Internet of Things will bring a scenario in which interaction between humans and devices will be critical to allow people to use, monitor or configure Internet of Things devices. Interactions in such applications are based on traditional graphical interfaces. Devices that accept interaction based on Natural Language, e.g., through voice commands, can understand basic human orders or answering questions whenever user expressions fit into a known language pattern. Some devices can understand natural language voice commands but require sophisticated voice assistants located in the cloud, which raises significant privacy concerns. Others devices which handle voice-processing locally can perform a very limited local recognition system, requiring users to be familiar with words the system can process. The purpose of this work is to diminish the complexity of Natural Language processing in the context of IoT. The solution posited in this article allows Internet of Things devices to offload Natural Language processing to a system that improves the use of Natural Language and alleviates the need to learn or remember specific words or terms intended for triggering device actions. We have evaluated the feasibility of the design with a proof-of-concept implemented in a home environment and it was tested by real users.

  Major requirements for building Smart Homes in Smart Cities based
» 923.8 KiB - 296 hits - 1 November, 2017
The recent boom in the Internet of Things (IoT) will turn Smart Cities and Smart Homes (SH) from hype to reality. SH is the major building block for Smart Cities and have long been a dream for decades, hobbyists in the late 1970s made Home Automation (HA) possible when personal computers started invading home spaces. While SH can share most of the IoT technologies, there are unique characteristics that make SH special. From the result of a recent research survey on SH and IoT technologies, this paper defines the major requirements for building SH. Seven unique requirement recommendations are defined and classified according to the specific quality of the SH building blocks.

  Collaborative eHealth meets Security Privacy-Enhancing Patient Profile Management
» 904.8 KiB - 163 hits - 9 August, 2017
Collaborative healthcare environments offer potential benefits, including enhancing the healthcare quality delivered to patients and reducing costs. As a direct consequence, sharing of Electronic Health Records (EHRs) among healthcare providers has experienced a noteworthy growth in the last years, since it enables physicians to remotely monitor patients’ health and enables individuals to manage their own health data more easily. However, these scenarios face significant challenges regarding security and privacy of the extremely sensitive information contained in EHRs. Thus, a flexible, efficient and standardsbased solution is indispensable to guarantee selective identity information disclosure and preserve patient’s privacy. We propose a privacy-aware profile management approach that empowers the patient role, enabling him to bring together various healthcare providers as well as user-generated claims into an unique credential. User profiles are represented through an adaptive Merkle Tree, for which we formalize the underlying mathematical model. Furthermore, performance of the proposed solution is empirically validated through simulation experiments.

  Secure Store and Forward Proxy for Dynamic IoT Applications over M2M Networks
» 3.0 MiB - 91 hits - 2 November, 2016
Internet of Things (IoT) applications are expected to generate a huge unforeseen amount of traffic flowing from Consumer Electronics devices to the network. In order to overcome existing interoperability problems, several standardization bodies have joined to bring a new generation of Machine to Machine (M2M) networks as a result of the evolution of wireless sensor/actor networks and mobile cellular networks to converged networks. M2M is expected to enable IoT paradigms and related concepts into a reality at a reasonable cost. As part of the convergence, several technologies preventing new IoT services to interfere with existing Internet services are flourishing. Responsive, message-driven, resilient and elastic architectures are becoming essential parts of the system. These architectures will control the entire data flow for an IoT system requiring sometimes to store, shape and forward data among nodes of a M2M network to improve network performance. However, IoT generated data have an important personal component since it is generated in personal devices or are the result of the observation of the physical world, so rises significant security concerns. This article proposes a novel opportunistic flexible secure store and forward proxy for M2M networks and its mapping to asynchronous protocols that guarantees data confidentiality.

  Comparing Password Management Software: Toward Usable and Secure Enterprise Authentication
» 2.3 MiB - 117 hits - 20 October, 2016
Password managers (PMs) automate password generation and login processes, but might not be secure or usable. The authors analyze the four most popular free PMs from both security and usability perspectives and make recommendations on enterprise PM selection.