Ragnar Schierholz

Ragnar Schierholz
ABB | ABB · R&D

PhD

About

41
Publications
10,062
Reads
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484
Citations
Additional affiliations
December 2006 - January 2012
ABB Switzerland
Position
  • Principal Investigator
November 2002 - October 2006
University of St.Gallen

Publications

Publications (41)
Article
Application whitelisting is a method for establishing security by restricting systems to only execute applications that are on a given list - the white list. One of the main questions when using such technology within industrial control systems is whether anti-virus software becomes obsolete, and whether security patches of the underlying system ar...
Article
Twenty years ago, the cyber security of systems and devices used in critical infrastructure such as energy transmission and power production was not an issue. networks were truly isolated, and engineers expected devices to receive exactly the kind of data for which the devices were designed. no one imagined that it would be possible for an attacker...
Article
Full-text available
Security for industrial automation and control systems (IACS) is a much discussed topic for several years now. Certification of security properties of products has been gaining rising attention in the more recent past. We analyze security certification from an economic background and take a look at how security certification initiatives in the ente...
Conference Paper
Industrial automation and control systems (IACS) today are often based on common IT technologies. However, they often lack security mechanisms and those available in enterprise IT environments are often not suitable for IACS. Other mechanisms require significant manual maintenance which is error prone. In this paper we present an approach that leve...
Conference Paper
Nowadays, industrial control systems operators are trying to fulfill requirements from upcoming standards and regulation regarding cyber security issues. However, addressing such security requirements by implementing security measures is not a trivial task. Moreover, the creation and maintenance of the configuration for the security measures is pro...
Chapter
In this chapter we analyze how companies define their customer value proposition and how the selection of successful mobile customer services is done in alignment with this strategic positioning. We derive a set of five different strategic goals (price leadership, product quality leadership, customer intimacy leadership, accessibility leadership, i...
Conference Paper
Full-text available
IT security issues and outsourcing of business processes are common but largely disjoint themes in the literature; common consideration is rare even though information security risk becomes a shared risk both through IS-based processes at outsourcing partners and potentially tightly-integrated IS systems. This paper explores this lack of an integra...
Article
Full-text available
ABB has extended its service portfolio to include Remote Monitoring and Operation Services to guarantee secure operation of a company's process automation system such as incident management and maintenance of a site inventory database. The high-level components of ABB security service include remote access to on-site automation systems, secured on-...
Article
Full-text available
Purpose – The bursting of the e-bubble affected expectations with regard to mobile initiatives and willingness to invest in them very negatively. Business managers request detailed and thorough analyses prior to engaging in mobile initiatives. The paper aims to present a method, with which mobile business can be introduced to the customer relations...
Conference Paper
Full-text available
Today most companies are closely knit together with and thus dependent on suppliers, allies, customers, and public authorities. Member companies in such an extended enterprise or "business network" are either forced or volunteer to meet certain security objectives as a whole. As a consequence, the business network needs to agree on a common strateg...
Article
Full-text available
In this chapter we analyze how companies define their customer value proposition and how the selection of successful mobile customer services is done in alignment with this strategic positioning. We derive a set of five different strategic goals (price leadership, product quality leadership, customer intimacy leadership, accessibility leadership, i...
Conference Paper
Full-text available
The bursting of the e-bubble affected expectations with regard to mobile initiatives and willingness to invest in them very negatively. In both academia and practice, there has recently been renewed interest in mobile business and mobile commerce. Now, however, business managers request detailed and thorough analyses prior to engaging in mobile ini...
Conference Paper
Full-text available
The airline industry has undergone dramatic changes. Fierce competition between full service and no-frills carriers is intensifying across the world. Full service carriers had to adjust to no-frills carriers' low priced minimal service. At the same time, they still offer their traditional higher priced premium service. To make the grade on this pri...
Article
Full-text available
Purpose - Processes in customer relationship management (CRM) are classified as knowledge-intensive processes. This paper seeks to provide a framework for knowledge management (KM) support of CRM processes and to show how this framework was applied in three action research cases. Design/methodology/ approach - In a long-term cooperation with severa...
Article
Full-text available
Typically, companies nowadays implement so-called multi-channel management strategies, i.e. they seek to offer their customers a brad variety of interaction channels for marketing, sales and services. A prominent example for such mobile initiatives is mobile marketing, where the pervasiveness and personalization features of mobile technologies such...
Conference Paper
Full-text available
The burst of the e-bubble largely affected the expectations towards and the willingness to invest in mobile initiatives. Recently, the interests for mobile business and mobile commerce both in academia and in the practice field have risen again. This time, business managers request detailed and reliable reporting about the benefits of such initiati...
Conference Paper
Full-text available
In the design of desktop applications, developers successfully deploy structured software life cycle models to simplify the development process. Applying these models in m-business often does not result in usable software. M-business applications differ from desktop applications mainly in their limited user interface as well as the new mobile and d...
Article
In this paper we analyze how companies define their strategy, especially how they interact with and appear to the customer. Based on a framework of five goals in customer oriented strategy, we classify seven cases. Analyzing the strategic premises and the processes chosen to be supported by mobile solutions, we show interdependences between the str...
Article
Auf dem Feld der mobilen Technologien sind seit der Einführung von GSM (Global System for Mobile Communications) basierten Sprachnetzen und SMS (Short Message Service) als Datendienst viele Technologien entstanden, ohne sich jedoch wirklich durchsetzen zu können. Die Nutzung von SMS ist dazu im Wesentlichen auf den privaten Gebrauch reduziert. Die...
Article
Full-text available
In this paper, we will illustrate the use of modern information technology to provide knowledge support to CRM processes. This knowledge support allows for performance enhancement in customer oriented busi-ness processes. We will base our reasoning on an inte-grated Customer Knowledge Management process model, which identifies six CRM sub-processes...
Conference Paper
The advancement of Information and Telecommunication Technologies allows new types of interaction between companies and customers. Companies face the question: which potentials can be exploited using new communication and transaction channels and which challenges must be overcome in doing so. The design of the interaction between customer and compa...
Article
Full-text available
Nach dem Abebben der Euphorie rund um den eBusiness Hype hat in der Wirtschaft eine Konsolidierungsphase eingesetzt. Unternehmen investieren nun wesentlich vorsichtiger und konservativer in neue Trends und Technologien. Vor einer Investition wird wieder als erstes nach einem Geschäftsmodell und der Wirtschaftlichkeit gefragt.Trotzdem lassen sich im...
Article
Seit der Einführung von auf GSM basierenden Sprachdiensten und SMS als Datendienst haben sich viele Technologien auf dem Gebiet der Mobiltechnologie entwickelt, ohne im Stande zu sein eine wesentliche Verbreitung zu erreichen. Zudem werden SMS grösstenteils für die private Kommunikation gebraucht, die gewerbliche Anwendung ist immer noch selten. Di...
Article
Since the introduction of GSM based voice services and SMS as data service, many new technologies have evolved in the field of mobile technologies, without being able to gain a substantial spread. Additionally, the use of SMS is mainly for private communication, commercial applications are still rare. The question for possible applications and of e...
Article
Full-text available
In this paper we analyze how companies define their strategy, especially how they interact with and appear to the customer. Based on a framework of five goals in customer oriented strategy, we classify seven cases. Analyzing the strategic premises and the processes chosen to be supported by mobile solutions, we show interdependencies between the st...
Article
Typically, companies nowadays implement so-called multi-channel management strategies, i.e. they seek to offer their customers a brad variety of interaction channels for marketing, sales and services. A prominent example for such mobile initiatives is mobile marketing, where the pervasiveness and personalization features of mobile technologies such...
Article
Die Telekommunikationsindustrie hat in den letzten Jahren große Hoffnungen in die mobilen Informationsdienste gesetzt. Nachdem bei den mobilen Sprachdiensten nahezu eine Marktsät-tigung erreicht ist, versuchen sich die Mobilfunkbetreiber durch Datendienste wie mobile Bankgeschäfte (Mobile Banking) bzw. Zahlungsvorgänge (Mobile Payment) oder ortsbez...