A Multi-Layered, Tamper-Resistant Security Appliance for Financial Terminals: A Conceptual Framework to Mitigate Cyber and Physical Attacks - Softcover

Inhaltsangabe

Academic Paper from the year 2025 in the subject Computer Science - IT-Security, , course: Physics with Electronics, language: English, abstract: This report presents a conceptual framework for a Secure Financial Terminal Appliance (SFTA), a novel, multi-layered security device designed to address the escalating and convergent threats faced by modern Point-of-Sale (POS) and Automated Teller Machine (ATM) systems. The SFTA is conceived as a holistic response to the limitations of existing, siloed security measures. Its design integrates a dedicated hardware-based root of trust, a physically tamper-resistant enclosure with an active data-destruction capability, and intelligent software defenses. This framework moves beyond a reactive, software-centric security model to a proactive, integrated hardware-based paradigm. The report analyzes the dual threat landscape of sophisticated cyberattacks, such as advanced malware like Prilex, and physical attacks like skimming and jackpotting. The SFTA's architecture is meticulously mapped to these threats, demonstrating how its components-including a Secure Element (SE) and a dedicated hardware firewall-can isolate critical cryptographic functions and actively defend against physical breaches. The framework further incorporates next-generation authentication technologies, such as biometrics and decentralized identity (DID), to fundamentally shift the security model by empowering users and eliminating centralized "honey pots" of sensitive data. The SFTA is presented as a viable path for achieving and exceeding modern compliance standards, such as PCI DSS, while simultaneously providing a future-proof foundation for the global financial ecosystem.

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