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We address the problems of network and reconfiguration attacks on an industrial control system (ICS) by describing a trustworthy autonomic interface guardian architecture (TAIGA) that provides security against attacks originating from both supervisory and plant control nodes. In contrast to the existing security techniques which attempt to bolster perimeter security at supervisory levels, TAIGA physically...
Smart meters (gas, electricity, water, etc.) play a fundamental role on the implementation of the Smart Grid concept. Nevertheless, the rollout of smart meters needed to achieve the foreseen benefits of the integrated network of devices is still slow. Among the reasons for the slower pace is the lack of trust on electronic devices and new kinds of frauds based on clever tampering and collusion. These...
In today's world of home automation, smart objects are interconnected and participate in the Internet of Things. Being part of a very sensible eco-system, these entities must be secured against various kinds of attacks. Smart home appliances such as light bulbs or window shutters have very low processing power and networking capacities and more often than not lack of input/output devices such as keyboards...
Facing more and more serious scarcity of radio resources in today's society, cognitive radio offers a great solution from the theoretical level. But in the process of converting theoretical research into practical application, cognitive radio still has lots of inevitable problems. In this paper, demonstration about problems the cognitive radio encounters in practical applications is made from three...
Intrusion detection is an area of computer security that involves the detection of unwanted manipulations to computers and computer networks. An intrusion detection system is required to detect all types of malicious network traffic and computer usage that can not be detected by a conventional firewall. This security method is needed in todaypsilas computing environment because it is impossible to...
In this paper, we present a new technique to improve the reliability of H-tree SRAM memories. This technique deals with the SRAM power-bus monitoring by using built-in current sensor (BICS) circuits that detect abnormal current dissipation in the memory power-bus. This abnormal current is the result of a single-event upset (SEU) in the memory and it is generated during the inversion of the state of...
Multi-core SoC created great opportunities to increase overall system performance while keeping the power in check but also created many design challenges that designers must now overcome. The challenge of doubling performance every two years used to drive superscalar design with more functional units running concurrently or deeper pipeline racing for highest frequency at the cost of higher power...
It is becoming increasingly difficult to implement effective systems for preventing network attacks, due to the combination of (1) the rising sophistication of attacks requiring more complex analysis to detect, (2) the relentless growth in the volume of network traffic that we must analyze, and, critically, (3) the failure in recent years for uniprocessor performance to sustain the exponential gains...
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