Security against Shoulder Surfing Attack Adaptable to Feature Phones using USSD Technology

Authors : Binitie; Amaka Patience; Anujeonye; Nneamaka Christiana; Ezzeh; Peace Oguguo

Volume/Issue : Volume 7 - 2022, Issue 12 - December

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Security of users’ data is of high importance, especially when the data has to do with personal details like health status, financial details and others. For financial details, it is important that details of customers like authentication data is secured by the financial institutions. This will boost the confidence of customers. Financial institutions uses various electronic means to serve their customers which requires additional security. Unstructured supplementary service data (USSD) is one of the technologies that banks use to provide electronic banking services to their customers at all locations. This technology is so common because it built in all GSM mobile phones. Despite its strong security features, user’s data at mobile interface appears in plain text. This exposes user’s data to shoulder surfing attack. The research therefore reviewed existing methods that can provide security against shoulder surfing attack and it was discovered that these methods cannot be implemented in USSD channel. This is because USSD channel conveys data in plaintext only, but some of the data contained by these method are images and colors. Also they are third party applications and cannot be accommodate by feature phones. This research, therefore, designed a new authentication model called “Transcare” to resist shoulder surfing attack during USSD transaction. In this model, challenge response approach is adopted to provide a secure authentication data entry method in the presence of human shoulder surfer, using Bag of Soft Biometrics (BoSB) details and one time password (OTP) during user authentication.


Paper Submission Last Date
31 - March - 2023

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In 1-2 Days

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