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Do you know someone may be watching you?. Wilber R. Rivas Del Rio High School San Felipe Del Rio CISD Dr. Guofei Gu Director of SUCCESS laboratory S ec u re C ommunication and C omput e r S y s tems Computer Science & Engineering. Research question?.
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Do you know someone may be watching you? Wilber R. Rivas Del Rio High School San Felipe Del Rio CISD Dr. Guofei Gu Director of SUCCESS laboratory Secure Communication and Computer Systems Computer Science & Engineering
Research question? • Identifying sources that are hacking into your system by using various techniques in computer science and mathematics.
Research • To solve practical security problems • networking and system techniques • applied cryptography • machine learning • probability/statistics • information theory • graph theory
GuofeiGu • Assistant professor in the Department of Computer Science & Engineering • PhD Georgia Tech, 2008
Dr. Gu’s Interests and Research • Automated collection and analysis of web-based bot malware infections • Interests include all aspects of network and system security. • Internet malware detection, defense, and analysis • Intrusion detection and anomaly detections • Network security • Web and social networking security
Malware • Short for malicious software, consists of programming (code, scripts, active content, and other software) • Loss of privacy
Bot In malware, a botnet is a collection of infected computers or bots
Cryptography • Secret writing • Ciphertext • The conversion of information from a readable state to apparent nonsense • ATM cards • Computer passwords
Machine learning • Technique • A branch of artificial intelligence • Design and development of algorithms • Recognize complex patterns
Jialong Zhang • Bachelors degree in Computer Science • PhD student • Intrusion detection systems for enterprises • Design graph related algorithms to detect abnormal traffic
Chao Yang • PhD student • Wireless Network Security • Detect Rogue Access Point • Online Social Networking Website Security • Detect malicious/spam accounts • Analyze cyber criminal ecosystem
Published paper accepted to RAID'11 • Chao Yang, Robert Harkreader, GuofeiGu. "Die Free or Live Hard? Empirical Evaluation and New Design for Fighting Evolving Twitter Spammers." To appear in Proceedings of the 14th International Symposium on Recent Advances in Intrusion Detection (RAID 2011),
Zhaoyan Xu • Malware Analysis • How to categorize malware and what they do • Static analysis and dynamic analysis of malware • Malware encryption and decryption • Malware detection
Cryptography Applications • Communicating securely over an insecure channel
Ideas for classroom • Computer Network Security • Cryptography • Mathematics • Encryption and Decryption of data
Mathematical Functions • Encryption function • E(P)=C • Decryption Function • D(C)=P • Inverse functions • D(E(P)) = P and E(D(C)) = C