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Security Issues and Capabilities of Mobile Brokerage Services and Infrastructures



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Journal of Information Systems Security
Volume 2, Number 1 (2006)
Pages 2759
ISSN 1551-0123 (Print)
ISSN 1551-0808 (Online)
Jan Muntermann — Goethe University Frankfurt, Germany
Heiko Roßnagel — Goethe University Frankfurt, Germany
Information Institute Publishing, Washington DC, USA




Reliable and trustworthy information processing is an essential success factor for financial transactions. This paper investigates the capabilities of integrated mobile financial information and transaction services which support private investors in making time-critical investment decisions and portfolio transactions. The analysis of intraday stock price reactions following company announcements provides evidence regarding the value added from according services if abnormal price movements can be observed. As efficient capital markets react very quickly to new information available, private investors require combined mobile notification and transaction services. So far, existing concepts can not fulfill these requirements which results from inappropriate implementation of the security mechanisms in order to realize secure and trustworthy processing. After identifying potential weaknesses of current solutions we introduce an adequate system infrastructure which can realize secure information and transaction processing in time by permitting a smart integration of notification and transaction services.




Mobile Brokerage, Security Requirements, Service Integration, eFinance




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