Suphannee Sivakorn

PhD student in Computer Science, Columbia University
suphanneenull (at) csnull.columbia.comedu
github.com/ssivakorn, twitter.com/ssivakorn

Education

Columbia University, September 2013 - April 2018
Ph.D. in Computer Science
M.Phil. in Computer Science, October 2016
Advisors: Prof. Angelos D. Keromytis and Prof. Steven M. Bellovin
New York University, September 2011 - May 2013
M.S. in Computer Science
Mahidol University, June 2006 - April 2010
B.Eng. in Computer Engineering (Honors)

Research Interests

Security & privacy in the aspects of web and social network, network security, and usable security. Using machine learning in solving computer security problems e.g., intrusion detection, malware detection and classification, and network analysis. Finding security vulnerabilities.

Publications

Countering Malicious Processes with Process-DNS Association
S. Sivakorn, K. Jee, Y. Sun, L. Korts-Pärn, Z. Li, C. Lumezanu, Z. Wu, L. Tang, D. Li.
In Proceedings of the 26th Network and Distributed System Security Symposium (NDSS), San Diego, California, USA, February 2019. (Acceptance rate: 17.08%)

HVLearn: Automated Black-box Analysis of Hostname Verification in SSL/TLS Implementations.
S. Sivakorn, G. Argyros, K. Pei, A. D. Keromytis, S. Jana.
In Proceedings of the 38th IEEE Symposium on Security and Privacy (S&P), San Jose, California, USA, May 2017. (Acceptance rate: 13.33%)
- Project's repo: github.com/HVLearn/HVLearn, wiki

Evaluating the Privacy Guarantees of Location Proximity Services.
G. Argyros, T. Petsios, S. Sivakorn, A. D. Keromytis, J. Polakis.
In ACM Transactions on Privacy and Security (TOPS, formerly TISSEC), Volume 19(4), Article 12, February 2017.

That's the Way the Cookie Crumbles: Evaluating HTTPS Enforcing Mechanisms.
S. Sivakorn, A. D. Keromytis, J. Polakis.
In Proceedings of the 15th ACM Workshop on Privacy in the Electronic Society (WPES), Vienna, Austria, October 2016. (Acceptance rate: 19.44%)

The Cracked Cookie Jar: HTTP Cookie Hijacking and the Exposure of Private Information.
S. Sivakorn*, I. Polakis*, A. D. Keromytis.
In Proceedings of the 37th IEEE Symposium on Security and Privacy (S&P), San Jose, California, USA, May 2016. (Acceptance rate: 13.75%)
- Also presented at BlackHat USA 2016
- Media Coverage: Security Intelligence | Threat Post | eWeek | Active Cypher

I Am Robot: (Deep) Learning to Break Semantic Image CAPTCHAs.
S. Sivakorn, I. Polakis, A. D. Keromytis.
In Proceedings of the 1st IEEE European Symposium on Security and Privacy (EuroS&P), Saarbrücken, GERMANY, March 2016. (Acceptance rate: 17.3%)
- Also presented at BlackHat Asia 2016
- Media Coverage: The Register | Slashdot | Softpedia | Gizmodo | Sophos | Schneier on Security | Kaspersky | Information Week | Security Week | SC Magazine | The Inquirer | Computing | Security Affairs | BotWatch | DHS
- Image CAPTCHA dataset collected from Google reCAPTCHA and Facebook image CAPTCHA services

Where's Wally? Precise User Discovery Attacks in Location Proximity Services.
I. Polakis, G. Argyros, T. Petsios, S. Sivakorn, A. D. Keromytis.
In Proceedings of the 22nd ACM Computer and Communications Security Conference (CCS), Denver, Colorado, USA, October 2015. (Acceptance rate: 19.8%)
- Video of our live attack demonstration against Foursquare Swarm service
- Project's repo: Audit framework for Location Based Services

Entropy-based Input-Output Traffic Mode Detection Scheme for DoS/DDoS Attacks.
S. Tritilanunt, S. Sivakorn, C. Juengjincharoen, A. Siripornpisan.
In Proceedings of 2010 International Symposium on Communications and Information Technologies (ISCIT). Tokyo, JAPAN, October 2010.

Grants, Awards and Scholarships

BlackHat Speaker Honorarium, August 2016
BlackHat USA 2016, Las Vagas
BlackHat Speaker Honorarium, April 2016
BlackHat Asia 2016, Singapore
ACM CCS Student Travel Grant, October 2015
22nd ACM Conference on Computer and Communications Security (CCS)
sigsac.org/ccs/CCS2015/grant.html
New York University Travel Grants, October 2012
12th Annual Grace Hopper Celebration of Women in Computing
cs.nyu.edu/webapps/content/research/student_recognition
Royal Thai Government Scholarship, 2011 - 2017
Computer Science/Engineering MS - PhD fellowship
Mahidol University Conference Funding and Paper Presentation, November 2010
14th National Computer Science and Engineering Conference 2010
Third Place Winner in Thailand Network Security Contest, 2009
Bangkok, Thailand
Valedictorian in Computer Engineering, Mahidol University, 2008 - 2010
Annual Scholarship
Student Exchange between Japan and Thailand, October 2004
Fukuoka, Japan

Bug and Vulnerability Disclosures

Discrepancies and/or RFC violations of hostname verification process in SSL/TLS implementations, 2017

MatrixSSL: github.com/matrixssl/matrixssl/blob/3-9-0-open/CHANGES.md
GnuTLS: gitlab.com/gnutls/gnutls/issues/185, gitlab.com/gnutls/gnutls/issues/187
HttpClient: issues.apache.org/jira/browse/HTTPCLIENT-1802
Java Secure Socket Extension (JSSE): https://www.oracle.com/technetwork/topics/security/cpujul2017-3236622.html

Google vulnerable reward hall of fame, 2015
(co-listed with Jason Polakis)
- Expose user's sensitive information with cookie hijacking attack
- Google "No CAPTCHA reCAPTCHA" vulnerabilities
Ebay responsible disclosure acknowledgements, 2015
Expose user's sensitive information with cookie hijacking attack
ebay.com/securitycenter/researchersacknowledgement.html
Facebook bug bounty, 2014
Evaluate the privacy guarantees of location based services in Facebook Nearby Friends
facebook.com/whitehat/thanks

Teaching

Teaching Assistant - Security Architecture and Engineering, Fall 2015
Instructor: Prof. Steven M. Bellovin, Columbia University
Graduate-level course, 80 students
Teaching Assistant - Introduction to Programming in C, Summer 2015
Instructor: Prof. Angelika Zavou, Columbia University
Session I: Grade 11, 12 or Freshman year, 20 students
Session II: Grade 10 and 11, 16 students
Teaching Assistant - Introduction to Programming in C, Summer 2014
Instructor: Theofilos Petsios, Columbia University
Grade 11, 12 or Freshman year, 16 students
Teaching Assistant - Intrusion Detection Systems, Spring 2014
Instructor: Prof. Shlomo Hershkop, Columbia University
Graduate-level course, 30 students