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Cybersecurity

Veale, Michael,Brown, Ian

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Veale, Michael; Brown, Ian Article Cybersecurity Internet Policy Review Provided in Cooperation with: Alexander von Humboldt Institute for Internet and Society (HIIG), Berlin Suggested Citation: Veale, Michael; Brown, Ian (2020) : Cybersecurity, Internet Policy Review, ISSN 2197-6775, Alexander von Humboldt Institute for Internet and Society, Berlin, Vol. 9, Iss. 4, pp. 1-22, https://doi.org/10.14763/2020.4.1533 This Version is available at: https://hdl.handle.net/10419/233106 Standard-Nutzungsbedingungen: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen. 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If the documents have been made available under an Open Content Licence (especially Creative Commons Licences), you may exercise further usage rights as specified in the indicated licence. https://creativecommons.org/licenses/by/3.0/de/deed.de Volume 9 | Cybersecurity Michael Veale University College London m.[email protected] Ian Brown Fundação Getulio Vargas DOI: https://doi.org/10.14763/2020.4.1533 Published: 17 December 2020 Received: 16 September 2020 Accepted: 6 November 2020 Competing Interests: The author has declared that no competing interests exist that have influenced the text. Licence: This is an open-access article distributed under the terms of the Creative Commons Attribution 3.0 License (Germany) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. https://creativecommons.org/licenses/by/3.0/de/deed.en Copyright remains with the author(s). Citation: Veale, M. & Brown, I. (2020). Cybersecurity. Internet Policy Review, 9(4). https://doi.org/10.14763/2020.4.1533 Keywords: Cyber, Governance, Hacking, Securitisation, Surveillance Abstract: Cybersecurity covers the broad range of technical and social issues that must be considered to protect networked information systems. The importance of the concept has increased as so many government, business, and day-to-day activities globally have moved online. It has been increasingly referred to in both academic and mainstream publications since 2003, in fields including software engineering, international relations, crisis management and public safety, slowly overtaking more technical terms such as computer/system/data security (popular in the 1970s/ 1980s) and information security (popular from the mid 1990s). But its strong association with national security and defence agencies, and disconnection from social science notions such as place, have led to concerns of inappropriate cyber securitisation of government programmes. Issue 4 This article belongs to Concepts of the digital society, a special section of Internet Policy Review guest-edited by Christian Katzenbach and Thomas Christian Bächle. Introduction Cybersecurity 1 covers the broad range of technical, organisational and governance issues that must be considered to protect networked information systems against accidental and deliberate threats. It goes well beyond the details of encryption, firewalls, anti-virus software, and similar technical security tools. This breadth is captured in the widely used International Telecommunication Union (ITU) definition (ITU-T, 2008, p. 2): Cybersecurity is the collection of tools, policies, security concepts, security safeguards, guidelines, risk management approaches, actions, training, best practices, assurance and technologies that can be used to protect the cyber environment and organization and user’s assets. Organization and user’s assets include connected computing devices, personnel, infrastructure, applications, services, telecommunications systems, and the totality of transmitted and/or stored information in the cyber environment. Cybersecurity strives to ensure the attainment and maintenance of the security properties of the organization and user’s assets against relevant security risks in the cyber environment The importance of cybersecurity has increased as so many government, business, and day-to-day activities around the world have moved online. But especially in emerging economies, “[m]any organizations digitizing their activities lack organizational, technological and human resources, and other fundamental ingredients needed to secure their system, which is the key for the long-term success” (Kshetri, 2016, p. 3). The more technically-focused information security is still in widespread use in computer science. But as these issues have become of much greater societal concern as “software is eating the world” (Andreessen, 2011), cybersecurity has become more frequently used, not only in the rhetorics of democratic governments as in the 2000s, but also in general academic literature (shown in Figure 1): 1. The authors use cybersecurity, not cyber security, throughout this text, as it is the one most in use in computer science, even in Britain. 2 Internet Policy Review 9(4) | 2020 FIGURE 1: Academic articles with cybersecurity/cyber-security/cyber security versus information security, data security and computer security in title, keywords or abstract of Web of Science indexed publications over time. Small numbers of records exist for both information security and computer security in the database since 1969. Data from Web of Science. Barely used in academic literature before 1990 (except in relation to the Cray CYBER 205 supercomputer from the late 1970s), cyber became ubiquitous as a prefix, adjective and even noun by the mid-1990s, with Google Scholar returning results across a broad range of disciplines with titles such as ‘Love, sex, & power on the cyber frontier’ (1995), ‘Surfing in Seattle: What cyber-patrons want’ (1995), ‘The cyber-road not taken’ (1994) and even the ‘Cyber Dada Manifesto” (1991). It evolved from Wiener’s cybernetics, a “field of control and communication theory, whether in machine or in the animal” (1948)—derived from the Greek word for ‘steersman’—with an important intermediate point being the popular usage of cyborg, a contraction of cybernetic organism, alongside the Czech-derived robot (Clarke, 2005, section 2.4). The notion of a ‘governor’ of a machine goes back to the mid-19th century, with J. C. Maxwell (discoverer of the electron) noting in 1868 it is “a part of a machine by means of which the velocity of the machine is kept nearly uniform, notwithstanding variations in the driving-power or the resistance” (Maxwell, 1868, p. 270)—what Wiener called homeostasis. The use of cyberspace to refer to the electronic communications environment was coined in William Gibson’s 1982 short story Burning Chrome (“widespread, interconnected digital technology”) and popularised by his 1984 science fiction novel Neuromancer (“a graphic representation of data abstracted from the banks of every computer in the human system […] lines of light ranged in the nonspace of mind, clusters and constellations of data […] a consensual hallucination experienced by millions”). Cyberspace’s arrival in legal and policy discussions was spearheaded by John Perry Barlow’s Declaration of the Independence of Cyberspace (1996). But by 3 Veale, Brown 2000, Gibson declared cyberspace was “evocative and essentially meaningless ... suggestive ... but with no real meaning” (Neale, 2000). Despite its ubiquity in present-day national security and defence-related discussions, Wagner and Vieth found: “Cyber and cyberspace, however, are not synonymous words and have developed different meanings [...] Cyber is increasingly becoming a metaphor for threat scenarios and the necessary militarisation” (2016). Matwyshyn suggested the term is “the consequence of a cultural divide between the two [US] coasts: ‘cybersecurity’ is the Washington, D.C. legal rebranding for what Silicon Valley veterans have historically usually called ‘infosec’ or simply ‘security’” (2017, p. 1158). Cybersecurity issues have, to many whose interests are served by the interpretation, become national security issues (Clarke, 2016; Kemmerer, 2003; Nissenbaum, 2005). A review by Craigen et al. (2014) found cybersecurity used in a range of literature and fields from 2003 onwards, including software engineering, international relations, crisis management and public safety. Social scientists interacting with policymakers, and academics generally applying for research and translation funding from government sources and interacting with the defence and signals intelligence/information security agencies that are the cybersecurity centres of expertise in many larger governments, have further popularised the term, 2 which appears in similar form in many languages, as shown in Appendix 1. Looking beyond academia to literature more widely, Figure 2 shows computer security was most prevalent in the Google Books corpus from 1974, overtaken by information security in 1997, and cybersecurity in 2015 (with cyber security increasingly popular since 1996, but cyber-security negligible the entire period). Computer (Ware, 1970), system, and data (Denning, 1982) security were all frequently used as closely-related terms in the 1970s (Saltzer & Schroeder, 1975). 3 2. The second author must admit he has not been immune to this. 3. Ware’s 1970 report begins: “Although this report contains no information not available in a well stocked technical library or not known to computer experts, and although there is little or nothing in it directly attributable to classified sources…” 4 Internet Policy Review 9(4) | 2020 FIGURE 2: Google n-gram analysis (Lin et al., 2012) of the usage of variants of information security over time. Cybersecurity encompasses cybersecurity, cyber security and cyber-security. Retrieved using ngramr (Carmody, 2020). This trend is unfortunate, since “using the term ‘cybersecurity’ seems to imply that information security issues are limited to code connected to the Internet [but] physical security of machines and human manipulability through social engineering are always key aspects of information security in both the private and public sector” (Matwyshyn, 2017, p. 1156). Cybersecurity in early context In computer science, attacks on the security of information systems are usually concerned with: • Breaching the confidentiality of systems, with data exposed to unauthorised actors; • Undermining the integrity of systems, and disruption of the accuracy, consistency or trustworthiness of information being processed; • Affecting the availability of systems, and rendering them offline, unusable or non-functional. Together, confidentiality, integrity and availability are called the CIA triad, and have been the basis of information security since the late 1970s (Neumann et al., 1977, pp. 11–14). Echoing this history decades later, the Council of Europe’s 2001 Budapest Convention on Cybercrime set out in its first substantive section “Offences against the confidentiality, integrity and availability of computer data and systems”. 5 Veale, Brown Cybersecurity across disciplines The study and practice of cybersecurity spans a range of disciplines and fields. In this article, we consider three of the main angles important to cybersecurity practice: technical aspects; human factors; and legal dimensions. This is necessarily an incomplete list—notably, the topic is also the subject of study by those who are interested in, for example, how it reconfigures organisational structures (information systems), or relationships between actors such as states (international relations), and significant non-state actors such as organised crime gangs (criminology). Technical aspects Many technical domains are of direct relevance to cybersecurity, but the field designed to synthesise technical knowledge in practical contexts has become known as security engineering: “building systems to remain dependable in the face of malice, error, or mischance” (Anderson, 2008, p. 3). It concerns the confluence of four aspects—policy (the security aim), mechanisms (technologies to implement the policy), assurance (the reliability of each mechanism) and incentives (of both attackers and defenders). Security engineers may be intellectually grounded in a specialised technical domain, but they require a range of bridging and boundary skills between other disciplines of research and practice. A daunting (and worsening) challenge for security engineers is posed by the complexities of the sociotechnical environments in which they operate. Technological systems have always evolved and displayed interdependencies, but today infrastructures and individual devices are networked and co-dependent in ways which challenge any ability to unilaterally “engineer” a situation. Systems are increasingly servitised, (e.g., through external APIs) with information flows not under the control of the system engineer, and code subject to constant ‘agile’ evolution and change which may undermine desired system properties (Kostova et al., 2020). Human factors and social sciences The field of human factors in cybersecurity grew from the observation that much of the time “hackers pay more attention to the human link in the security chain than security designers” (Adams & Sasse, 1999, p. 41), leaving many sensitive systems wide open to penetration by “social engineering” (Mitnick & Simon, 2002). It is now very problematic to draw cybersecurity’s conceptual boundaries around an organisation’s IT department, software vendors and employer-managed hardware, as in practice networked technologies have permeated and reconfigured so6 Internet Policy Review 9(4) | 2020 cial interactions in all aspects of life. Users often adapt technologies in unexpected ways (Silverstone & Hirsch, 1992) and create their own new networked spaces (Cohen, 2012; Zittrain, 2006), reliant on often-incomprehensible security tools (Whitten & Tygar, 1999) that merely obstruct individuals in carrying out their intended tasks (Sasse et al., 2001). Networked spaces to be secured—the office, the university, the city, the electoral system—cannot be boxed-off and separated from technology in society more broadly. Communities often run their networked services, such as a website, messaging group, or social media pages, without dedicated cybersecurity support. Even in companies, or governments, individuals or groups with cybersecurity functions differ widely in location, autonomy, capabilities, and authority. The complexity of securing such a global assemblage, made up of billions of users as well as hundreds of millions of connected devices, has encouraged a wider cross-disciplinary focus on improving the security of these planetary-scale systems, with social sciences as an important component (Chang, 2012). Research focussed on the interaction between cybersecurity and society has also expanded the relevant set of risks and actors involved. While the term cybersecurity is often used interchangeably with information security (and thus in terms of the CIA triad), this only represents a subset of cybersecurity risks. Insofar as all security concerns the protection of certain assets from threats posed by attackers exploiting vulnerabilities, the assets at stake in a digital context need not just be information, but could, for example, be people (through cyberbullying, manipulation or intimate partner abuse) or critical infrastructures (von Solms & van Niekerk, 2013). Moreover, traditional threat models in both information and cybersecurity can be limited. For example, domestic abusers are rarely considered as a threat actor (Levy & Schneier, 2020) and systems are rarely designed to protect their intended users from the authenticated but adversarial users typical in intimate partner abuse (Freed et al., 2018). The domain of cyber-physical security further captures the way in which cybersecurity threats interact with physically located sensors and actuators. A broader flavour of definition than has been previously typical is used in the recent EU Cybersecurity Act (Regulation 2019/881), which in Article 2(1) defines cybersecurity as “the activities necessary to protect network and information systems, the users of such systems, and other persons affected by cyber threats” [emphasis added]. The difficult interaction between information systems, societies and environments is rapidly gaining traction in the research literature. 7 Veale, Brown Research at the intersection of human–computer interaction and cybersecurity has also pointed to challenges of usability and acceptability in deploying approaches developed in fields such as security engineering. Consider the encryption of information flowing across the internet using Transport Layer Security (TLS), a protocol which is able to cryptographically authenticate the endpoints and protect the confidentiality and integrity of transmitted data. TLS raises usability challenges in relation to developers’ and administrators’ understanding of how it works and thus how to correctly implement it (Krombholz et al., 2017, 2019) as well as challenges with communicating its properties—and what to do in its absence—to end users in their web browsers (Felt et al., 2015; Reeder et al., 2018). Focusing on the user experience of the web browser, Camp (2013) suggests principles of translucent security: high security defaults, single-click override, context-specific settings, personalised settings, and use-based settings. Related challenges faced by both users and developers or other specialists are found widely across the cybersecurity field, including passwords (e.g., Naiakshina et al., 2019) and encrypted email (Whitten & Tygar, 1999). The field of usable security seeks a fit between the security task and the humans expected to interact with it (Sasse et al., 2001). Without an understanding of issues such as these, the techniques used can bring at best a false sense of security, and at worst, entirely new threat vectors. Legal dimensions While few laws explicitly state they are governing cybersecurity, cybersecurity–related provisions are found in an extremely wide array of instruments. Law might incentivise or require certain cybersecurity practices or standards; apply civil or criminal sanctions, or apportion liability, for persons experiencing or taking action which leads to cybersecurity breaches; mandate practices (such as information sharing or interoperability) that themselves have cybersecurity implications; or create public advisory or enforcement bodies with cybersecurity responsibilities. Data protection and privacy laws generally contain varied provisions with cybersecurity implications. They are, at the time of writing, present in 142 countries around the world (Greenleaf & Cottier, 2020) as well as promoted by the Council of Europe’s Convention 108+ and model laws from several international organisations, such as the Commonwealth (Brown et al., 2020). They often, although not always, span both the public and private sectors, with common stipulations including the creation of an independent supervisory authority; overarching obligations to secure ‘personal’ data or information, often defined by reference to its potential 8 Internet Policy Review 9(4) | 2020 has since 2010—although those with security capabilities (a.k.a. state hacking) still stick resolutely with cyber. Anderson suggests the continued integration of software into safety-critical systems will require a much greater emphasis on safety engineering, and protection of the security properties of systems like medical devices (even body implants) and automotive vehicles for decades—in turn further strengthening political interest in the subject (2021, p. 2). Martyn Thomas, a well-known expert in safety-critical system engineering, told us (personal communication, September 2020): Rather than attackers increasingly finding new ways to attack systems, the greater threat is that developers increasingly release software that contains well-known vulnerabilities – either by incorporating COTS (commercial off-theshelf) components and libraries with known errors, or because they use development practices that are well known to be unsafe (weakly typed languages, failure to check and sanitise input data, etc.). So, the volume of insecure software grows, and the pollution of cyberspace seems unstoppable. Powerful states (particularly the US) have since at least the 1970s used their influence over the design and production of computing systems to introduce deliberate weaknesses in security-critical elements such as encryption protocols and libraries (Diffie & Landau, 2010), and even hardware (Snowden, 2019). The US CIA and NSA Special Collection Service “routinely intercepts equipment such as routers being exported from the USA, adds surveillance implants, repackages them with factory seals and sends them onward to customers” (Anderson, 2020, p. 40). It would be surprising if other states did not carry out similar activities. 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With thanks to Eleftherios Chelioudakis, Francis Davey, Fukami, Andreas Grammenos, Hamed Haddadi, Werner Hülsmann, Douwe Korff, Sagwadi Mabunda, Bogdan Manolea, Matthias Marx, Veni Markovski, Grace Mutung'u, Yudhistira Nugraha, Jan Penfrat, Judith Rauhofer, Kaspar Rosager, Eric Skoglund, Anri van der Spuy and Mathias Vermeulen for many of these translations! 20 Internet Policy Review 9(4) | 2020 LANGUAGE TERM Bengali ?????? ????????? Bulgarian киберсигурност Chinese ???? Danish computersikkerhed Dutch cyberbeveiliging Finnish Kyberturvallisuus Farsi تینما هکبش (or تینما یربیاس /تینما هنایار ) French la cyber-sécurité German Cybersicherheit (sometimes IT-sicherheit, Informationssicherheit, or Onlinesicherheit in Austria) Greek κυβερνασφάλεια Hindi ????? ??????? Bahasa Indonesia keamanan siber Italian sicurezza informatica Japanese ?????????? Portuguese cíber segurança Marathi ????? ??????? Romanian securitate cibernetica Russian кибербезопасность Spanish ciberseguridad or (more popularly) seguridad informática Swahili usalama wa mtandao Swedish Cybersäkerhet (or, commonly, IT-säkerhet) Urdu ربئاس یٹروکیس Xhosa ukhuseleko One important difference between European languages is that some (such as English) differentiate security and safety, while others (such as Swedish and Danish) do not. One sociologist of security noted: “it does frame how you understand the concepts, particularly structure. When you're talking about access control in Swedish it's a different logic than when you talk about it in Anglo-Saxon languages […] In the Scandinavian view of the world there is always a much more 21 Veale, Brown socio-technical bent for thinking about security” (Grossman, 2017). P ublished b yin c ooperation with 22 Internet Policy Review 9(4) | 2020