Cyber Security, Internet, and Wireless Networks Shigang Chen, Associate Professor Dept of Computer & Information Science & Engineering University of Florida

Cyber Security Cyber Attacks Cyber Attacks Internet worms, Internet worms, Denial of service attacks Denial of service attacks Spamming, Spamming, Network-based intrusions Network-based intrusions Spyware, adware Spyware, adware Research Challenges Research Challenges Malware analysis and defense methods Malware analysis and defense methods Firewall technologies Firewall technologies Intrusion detection and prevention Intrusion detection and prevention

Internet Traffic Measurement Measuring Properties of Internet Traffic Measuring Properties of Internet Traffic Large volume, small SRAM Large volume, small SRAM Measurement in Compact Space Measurement in Compact Space 1 bit per source 1 bit per source Novel Statistical Methods Novel Statistical Methods

Smart Street Network Embed a communication infrastructure in the streets of a city Internet Gateway Real-time data transfer Real-time data transfer Throughput assurance Throughput assurance Multiple service classes Multiple service classes Optimize channel utilization and spatial reuse Optimize channel utilization and spatial reuse Fairness and no starvation Fairness and no starvation Security and Robustness Security and Robustness

Wireless LANs WiFi Anomalies

RFID Automated Warehouse Management