Internet of Things: The Argument for Smart Forensics

Internet of Things: The Argument for Smart Forensics

Edewede Oriwoh, Geraint Williams
DOI: 10.4018/978-1-4666-6324-4.ch026
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The Internet of Things (IoT), a metaphor for smart, functional Cyberphysical Environments (CPE), is finding some usefulness in various sectors including healthcare, security, transportation, and the Smart Home (SH). Within the IoT, objects potentially operate autonomously to provide specified services and complete assigned tasks. However, the introduction of new technologies and/or the novel application of existing ones usually herald the discovery of unfamiliar security vulnerabilities, which lead to exploits and sometimes to security breaches. There is existing research that identifies IoT-related security concerns and breaches. This chapter discusses existing Digital Forensics (DF) models and methodologies for their applicability (or not) within the IoT domain using the SH as a case in point. The chapter also makes the argument for smart forensics, the use of a smart autonomous system (tagged the Forensics Edge Management System [FEMS]) to provide forensic services within the self-managed CPE of the SH.
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Introduction: The Internet Of Things

The Internet of Things (IoT) (Lu Tan & Neng Wang, 2010; Uckelmann, 2011) is also referred to variously as the Internet of Objects (Xia, Yang, Wang, & Vinel, 2012), Future Internet (FI) (Hernández-Muñoz et al., 2011), Machine to Machine (M2M) communications (Y. Chen, 2012; Igarashi, Ueno, & Fujisaki, 2012), and the Internet of Everything (IoE) (Castro, Jara, & Skarmeta, 2012; Lin, Leu, Li, & Wu, 2012; Ning & Hu, 2011). It is an extension of traditional networks such as the Internet and social networks. It is the true Network of networks because it describes the potential for the interconnection of every (feasible) object to every other (feasible) object and all the underlying processes and protocols that enable and support these interconnections (Figure 1).

Figure 1.

Key interconnected elements that make up the IoT


Ericsson estimates that more than 50 billion devices will be connected by 2020 (Ericsson White paper, 2011) while Morgan Stanley suggests that by the same date there will be 75 billion devices connected to the IoT (Proffitt, 2013).These connected items will be of a variety of types and shapes and will vary from traditional computing devices to ordinary everyday objects. For instance within the Smart Home (SH), Things (also known as Blogjects (Nova & Bleecker, 2006), Spimes (McFedries, 2010) or IoT-ware (Oriwoh, Jazani, Epiphaniou, & Sant, 2013)) may include kettles, cars, fridges, Personal Computers, smart phones and washing machines. Various sectors and industries currently benefit from having these interconnections including the transportation, communication, healthcare, smart houses and leisure industries (Fleisch, 2010; Juels, 2006; Kozlov, Veijalainen, & Ali, 2012; Laranjo, Macedo, & Santos, 2012). In the SH, these objects will be interconnected for the purpose of improving people’s lives and making things more convenient for them (Alam, Reaz, & Ali, 2012; Hyungkyu Lee, Jooyoung Lee, & Jongwook Han, 2007). The IoT is enabled by technologies including sensors, Machine to Machine communications (M2M), Radio Frequency Identification (RFID) and so on. See Figure 2 for a summary of some cardinal elements of the IoT including the enabling technologies.

Figure 2.

The Internet of things’ cardinal elements


Key Terms in this Chapter

IoT-Ware: This describes all the objects that are part of a home network including those with embedded intelligence e.g. smart meters and those with attached intelligence e.g. by RFID tagging.

Objects of Forensics Interest (OOFI): This refers to all IoT-ware within the IoT landscape with digital evidentiary value.

Cyberphysical Environments (CPE): The combination of cyber and physical environments where cyber environments are the non-tangible and tangible technology-based aspects of our existence. Physical environments on the other hand are the natural and non-technology-based aspects of our existence.

Spimes: A combination of the words sp ace and t ime , it describes products that have identifiable and retrievable lifecycles that describe them from their production to retirement and/or destruction.

Smart Forensics: The use of smart devices and methods that apply scientific techniques to automatically and autonomously perform digital forensics investigations within Smart Home and similar environments in order to produce forensically relevant and acceptable evidence which can be used to aid private/corporate legal, disciplinary or other such proceedings.

Blogjects: These are objects with the capability to blog their status and activities.

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