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We analysis the Taiwan¡¦s electric environment and theTaiwan¡¦s AMI architecture. The AMI system for high-voltage users has stared trial run. However, that for low-voltage users has begun to design. Here, we first design an available protocol architectures to support the AMI system for low voltage users. Then, a hierarchical two-layer security scheme base on our proposed protocol architectures is...
Current intrusion detection systems (IDSs) can only discover single-step attacks but not complicated multi-stage attacks. Therefore, it is not only important, but also challenging for security managers to correlate security alerts with specific patterns to predict a multi-stage attack. In this paper, we propose Judge Evaluation of Attack intensioN (JEAN), which inspects the security alerts in the...
Email is one of the most important applications in communication. Due to the convenience and importance of emails, SMTP attack and spam mail have become the most serious problems in email service. A single security technique is not enough to protect the email system from attacks. In this paper, we propose a hardware-based design of the SMTP intrusion prevention system (IPS) with virus detection engine...
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