Cyber-attacks and breaches are often detected too late to avoid damage. While "classical" reactive cyber defenses usually work only if we have some prior knowledge about the attack methods and "allowable" patterns, properly constructed redundancy-based anomaly detectors can be more robust and often able to detect even zero day attacks. They are a step toward an oracle that uses knowable behavior of a healthy system to identify abnormalities. In the world of Internet of Things (IoT), security, and anomalous behavior of sensors and other IoT components, will be orders of magnitude more difficult unless we make those elements security aware from the start. In this article we examine the ability of redundancy-based anomaly detectors to recognize some high-risk and difficult to detect attacks on web servers-a likely management interface for many IoT stand-alone elements. In real life, it has taken long, a number of years in some cases, to identify some of the vulnerabilities and related attacks. We discuss practical relevance of the approach in the context of providing high-assurance Webservices that may belong to autonomous IoT applications and devices. Ubiquity Symposium Ubiquity, an ACM publication January 2016 http://ubiquity.acm.org 2
To set up an operating system on hundreds of machines is a daunting task. To automate this process the concept of a kickstart server may be used. While this system has its merits it fails in a large scale environment where high performance and availability is required. This paper focuses on utilizing the available resources to optimize the efficiency of a kickstart server in a network. The current kick start server employs one system which acts as the master node and sets up an Operating System and applications in a network of systems. When the scalability increases the performance of the master node drops exponentially. A multi-level kick start server helps overcome these issues. Here one server creates more servers and controls them, thereby reducing the load on the main server and also improving speed and efficiency.
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