Network security with automatic mitigation of disruptive traffic, attack containment, and intrusion detection

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With the emergence and massive adoption of new powerful and proficient technologies based on computer networks, new security threats are surfacing, and they need to be properly addressed. This research program pursues the design of robust network security systems that cope with current and future threats, such as malicious software attacks and network congestion due to abusive use of network services. Emphasis is focused on combating cleverly crafted attacks such as polymorphic or encrypted (concealed) malicious code, mitigating disruptive traffic, and detecting secret communication channels. A main component of this research program consists of designing effective covert channels for authentication of mobile devices (e.g., laptops, smart phones) in wireless environments. A foremost component of this program consists of synthesizing network activity to effectively convey relevant information to humans by the means of multimodal channels, including meaningful sounds coupled with efficient intrusion detection and mitigation systems.