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In most cases, web applications communicate with web services (SOAP and RESTful). The former act as a front-end to the latter, which contain the business logic. A hacker might not have direct access to those web services (e.g., they are not on public networks), but can still provide malicious inputs to the web application, thus potentially compromising related services. Typical examples are XML injection...
Security testing is a pivotal activity in engineering secure software. It consists of two phases: generating attack inputs to test the system, and assessing whether test executions expose any vulnerabilities. The latter phase is known as the security oracle problem. In this work, we present SOFIA, a Security Oracle for SQL-Injection Vulnerabilities. SOFIA is programming-language and source-code independent,...
Web application firewalls are an indispensable layer to protect online systems from attacks. However, the fast pace at which new kinds of attacks appear and their sophistication require that firewalls be updated and tested regularly as otherwise they will be circumvented. In this paper, we focus our research on web application firewalls and SQL injection attacks. We present a machine learning-based...
This paper describes a computer based system that utilizes a 3D sensor to bridge the communication barrier between hearing (and/or speech) impaired people and hearing ones. The proposed Vietnamese sign language reader successfully recognizes 28 static and 7 dynamic gestures taken from the Vietnam sign language dictionary. To recognize the gestures of a static type, various techniques have been deployed,...
Though customer databases are so important, they can be sold under 95/46/EC and Data Protection Act law. This is a potential business. However, this business are encountering a big problem that purchaser wants to illegally distribute his database. We call them attacker. Attacker can use many schemes such as attribute, collusion and complimentary attack to achieve his goal. We have improved the technique...
A common and cost-effective mechanism to identify the functionalities, structures, or relationships between species is multiple-sequence alignment, in which DNA/RNA/protein sequences are arranged and aligned so that similarities between sequences are clustered together. Correctly identifying and aligning these sequence biological similarities help from unwinding the mystery of species evolution to...
Database outsourcing is emerging as an important trend in which the data owners ship their data to external service provider. Since a service provider is not fully trusted, security and privacy are significant issues. They can be referred to as data confidentiality, user and data privacy, query assurance and secure auditing. Among them, secure auditing takes an important role to have a secure database...
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