Cyber Security, Internet, and Cyber Security, Internet, and Wireless NetworksWireless Networks

Shigang Chen, Associate Professor

Dept of Computer & Information Science & Engineering

University of Florida

Cyber SecurityCyber Security Cyber AttacksCyber Attacks

Internet worms, Internet worms, Denial of service attacksDenial of service attacks Spamming,Spamming, Network-based Network-based

intrusionsintrusions Spyware, adwareSpyware, adware

Research ChallengesResearch Challenges Malware analysis and defense Malware analysis and defense

methods methods Firewall technologiesFirewall technologies Intrusion detection and preventionIntrusion detection and prevention

Internet Traffic MeasurementInternet Traffic Measurement

Measuring Properties of Internet TrafficMeasuring Properties of Internet Traffic Large volume, small SRAMLarge volume, small SRAM

Measurement in Compact SpaceMeasurement in Compact Space 1 bit per source1 bit per source

Novel Statistical MethodsNovel Statistical Methods

Smart Street NetworkSmart Street NetworkEmbed a communication infrastructure

in the streets of a city

Internet Gateway

Real-time data transferReal-time data transfer Throughput assuranceThroughput assurance Multiple service classesMultiple service classes Optimize channel Optimize channel

utilization and spatial utilization and spatial reusereuse

Fairness and no Fairness and no starvationstarvation

Security and RobustnessSecurity and Robustness

Wireless LANsWireless LANs

WiFi Anomalies

RFIDRFIDAutomated Warehouse Management