1. 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

2.  Identifying sources that are hacking into your system by using various techniques in computer science and mathematics.

3.  To solve practical security problems ◦ networking and system techniques ◦ applied cryptography ◦ machine learning ◦ probability/statistics ◦ information theory ◦ graph theory

4.  Assistant professor in the Department of Computer Science & Engineering  PhD Georgia Tech, 2008

5.  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

6. Success Lab Students  PhD  Seungwon Shin  Chao Yang  Zhaoyan Xu  Jialong Zhang  MS ◦ Robert Harkreader ◦ Shardul Vikram ◦ Vijayasenthil VC ◦ Lingfeng Chen  Alumni ◦ Yimin Song (MS, first employment: Juniper Networks)

7.  Short for malicious software, consists of programming (code, scripts, active content, and other software)  Loss of privacy

8. In malware, a botnet is a collection of infected computers or bots

9.  Secret writing  Ciphertext  The conversion of information from a readable state to apparent nonsense ◦ ATM cards ◦ Computer passwords

10.  Technique  A branch of artificial intelligence  Design and development of algorithms  Recognize complex patterns

12.  Bachelors degree in Computer Science  PhD student ◦ Intrusion detection systems for enterprises ◦ Design graph related algorithms to detect abnormal traffic

13.  PhD student  Wireless Network Security ◦ Detect Rogue Access Point  Online Social Networking Website Security ◦ Detect malicious/spam accounts ◦ Analyze cyber criminal ecosystem

14.  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),

15.  Malware Analysis  How to categorize malware and what they do  Static analysis and dynamic analysis of malware  Malware encryption and decryption  Malware detection

16.  Communicating securely over an insecure channel

17.  Computer Network Security  Cryptography  Mathematics  Encryption and Decryption of data

18.  Encryption function ◦ E(P)=C  Decryption Function ◦ D(C)=P ◦ Inverse functions  D(E(P)) = P and E(D(C)) = C

19. 