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APISan: Sanitizing API Usages through Semantic Cross-checking

API misuse is a well-known source of bugs. Some of them (e.g., incorrect use of SSL API, and integer overflow of memory allocation size) can cause serious security vulnerabilities (e.g., man-in-the-middle (MITM) attack, and privilege escalation). …

HDFI: Hardware-Assisted Data-Fow Isolation

Memory corruption vulnerabilities are the root cause of many modern attacks. Existing defense mechanisms are inadequate; in general, the software-based approaches are not efficient and the hardware-based approaches are not flexible. In this paper, we …

Analyzing Security of Korean USIM-based PKI Certificate Service

Kargus: A Highly-scalable Software-based Intrusion Detection System

As high-speed networks are becoming commonplace, it is increasingly challenging to prevent the attack attempts at the edge of the Internet. While many high-performance intrusion detection systems (IDSes) employ dedicated network processors or special …