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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?. - PowerPoint PPT Presentation
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Do you know someone may be watching you?
Wilber R. RivasDel Rio High School
San Felipe Del Rio CISDDr. Guofei Gu
Director of SUCCESS laboratorySecure 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.
To solve practical security problems◦networking and system techniques◦applied cryptography◦machine learning
◦probability/statistics◦information theory◦graph theory
Research
Assistant professor in the Department of Computer Science & Engineering
PhD Georgia Tech, 2008
Guofei Gu
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
Dr. Gu’s Interests and Research
Short for malicious software, consists of programming (code, scripts, active content, and other software)
Loss of privacy
Malware
In malware, a botnet is a collection of infected computers or bots
Bot
Secret writing
Ciphertext
The conversion of information from a readable state to apparent nonsense◦ ATM cards◦ Computer passwords
Cryptography
Technique
A branch of artificial intelligence
Design and development of algorithms
Recognize complex patterns
Machine learning
SUCCESS Lab Students
Bachelors degree in Computer Science
PhD student
◦ Intrusion detection systems for enterprises◦ Design graph related algorithms to detect
abnormal traffic
Jialong Zhang
PhD student
Wireless Network Security◦ Detect Rogue Access Point
Online Social Networking Website Security◦ Detect malicious/spam accounts◦ Analyze cyber criminal ecosystem
Chao Yang
Chao Yang, Robert Harkreader, Guofei Gu.
"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),
Published paper accepted to RAID'11
Malware Analysis
How to categorize malware and what they do
Static analysis and dynamic analysis of malware
Malware encryption and decryption
Malware detection
Zhaoyan Xu
Communicating securely over an insecure channel
Cryptography Applications
Computer Network SecurityCryptography Mathematics Encryption and Decryption of data
Ideas for classroom
Encryption function◦E(P)=C
Decryption Function◦D(C)=P
◦Inverse functions D(E(P)) = P and E(D(C)) = C
Mathematical Functions
Matrices
Acknowledgements