- Title: Security, Privacy, and Trust in the AI Era: Towards a Secure Zero-Trust AI Ecosystem
- Host: Carnegie Mellon University, CyLab Seminar Series, CyLab Security and Privacy Institute
- Date: September 21, 2026
Category: Invited Talks
Delivered a speech at the University of Georgia
- Title: Zero-Trust Data Sharing for Research Data Management
- Host: University of Georgia, Workshop on Spectroscopy Data and AI: Toward Integrated Research Infrastructure
- Date: August 21, 2026
Delivered a speech at Hanyang University ERICA
- Title: Security, Privacy, and Trust in the AI Era: From Confidential Computing to Zero-Trust Data Governance
- Host: Hanyang University ERICA, Department of Convergence Security
- Date: July 3, 2026
Delivered a speech at Pohang University of Science and Technology
- Title: Vordr: Verifiable, Scalable and Anonymous Remote Attestation for Confidential VMs
- Host: Pohang University of Science and Technology, Department of Computer Science and Engineering
- Date: July 2, 2026
Delivered a speech at Sungkyunkwan University
- Title: Scalable Private Set Intersection over Distributed Encrypted Data
- Host: Sungkyunkwan University, Department of Computer Science and Engineering
- Date: July 1, 2026
Delivered a speech at the Korea Cryptography Forum
- Title: Cryptography and Blockchain for Security, Privacy, and Trust in the AI Era
- Host: Korea Cryptography Forum, Technology and Policy Division Meeting
- Date: June 24, 2026
Delivered an invited speech at the Korean Mathematical Society (KMS)
- Title: Scalable Private Set Intersection over Distributed Encrypted Data
- Host: Korean Mathematical Society (KMS), International Conference for the 80th Anniversary of the Korean Mathematical Society
- Date: June 23, 2026
Delivered a guest lecture at Hanyang University
- Title: Studying, Working, and Doing Research in the U.S.: A Practical Guide to Jobs, Academia, and Funding
- Host: Hanyang University, Department of Electronic Engineering
- Date: June 15, 2026
Delivered a guest lecture at Hanyang University
- Title: The Future of Practical Cryptography: PIR and TEE
- Host: Hanyang University, Department of Mathematics
- Date: June 15, 2026
Delivered a speech at Inha University
- Title: Cryptography and Blockchain for Security, Privacy, and Trust in the AI Era
- Host: Inha University, Department of Computer Engineering
- Date: June 12, 2026
Delivered a speech at Gachon University
- Title: Cryptography and Blockchain for Security, Privacy, and Trust in the AI Era
- Host: Gachon University, CPS Security Research Center
- Date: June 11, 2026
Delivered a speech at Seoul National University
- Title: Scalable Private Set Intersection over Distributed Encrypted Data
- Host: Seoul National University, Department of Mathematical Sciences
- Date: June 10, 2026
Delivered a speech at the Korea Advanced Institute of Science and Technology (KAIST)
- Title: Scalable Private Set Intersection over Distributed Encrypted Data
- Host: Korea Advanced Institute of Science and Technology (KAIST), School of Computing
- Date: June 8, 2026
Delivered a speech at the Rural Development Administration (RDA), Korea
- Title: Zero-Trust Data Sharing for Research Data Management
- Host: Rural Development Administration (RDA), Korea, National Institute of Agricultural Sciences
- Date: June 5, 2026
Delivered a speech at Jeonbuk National University
- Title: Scalable Private Set Intersection over Distributed Encrypted Data
- Host: Jeonbuk National University, Division of Computer Science and Artificial Intelligence
- Date: June 5, 2026
Delivered a speech at Hanyang University
- Title: Cryptography and Blockchain for Security, Privacy, and Trust in the AI Era
- Host: Hanyang University, Department of Mathematics
- Date: May 29, 2026
Delivered a speech at ZKrypto
- Title: Confidential Computing: Next-Generation Security Technology for Protecting Data in Use
- Host: ZKrypto
- Date: May 29, 2026
Delivered a speech at Michigan Technological University
- Title: Zero-Trust Data Sharing for Research Data Management
- Host: Michigan Technological University, 2026 NSF Workshop on Research Data Management in Construction Engineering: Challenges and Opportunities
- Date: May 8, 2026
Delivered a keynote speech at KOCSEA 2025
- Title: Cryptography and Blockchain for Security, Privacy, and Trust in the AI Era
- Host: Korean Computer Scientists and Engineers Association in America, 25th KOCSEA Technical Symposium
- Date: November 8, 2025
Delivered a speech at the University of Nevada, Las Vegas
- Title: Cryptography and Blockchain for Security, Privacy, and Trust in the AI Era
- Host: University of Nevada, Las Vegas, Department of Computer Science
- Date: November 7, 2025
Delivered information session for “Research Experience for High Schoolers (REHS)” at Marian High School
- Host: Marian High School at Mishawaka
- Date: September 2, 2025
Delivered information session for “Research Experience for High Schoolers (REHS)” at Penn High School
- Host: Penn High School at Mishawaka
- Date: August 29, 2025
Delivered a speech at UKC 2025
- Title: Web3DB: Zero-trust Data Sharing Infrastructure
- Host: US-Korea Conference on Science, Technology, and Entrepreneurship (UKC 2025), Computer and Information Technology (CIT) Symposium
- Date: August 8, 2025
Delivered a speech at Shandong University
- Title: Homomorphic Encryption and Secure Aggregation for the Era of Quantum Computers
- Host: Shandong University, School of Cyber Science and Technology
- Date: May 28, 2025
Delivered a speech at MLCommons
- Title: Zero-trust Data Sharing with Web3DB
- Host: MLCommons, Medical Working Group
- Date: May 28, 2025
Delivered a speech at the 3rd Data Privacy Research Workshop
- Title: Summation-based Private Segmented Membership Test from Threshold-Fully Homomorphic Encryption
- Host: Special Interest Group on Data Privacy (SIGDP) of Korea Information Processing Society (KIPS), 3rd Data Privacy Research Workshop
- Date: April 24, 2025
Delivered a speech at Hanyang University
- Title: Kaleido: You Can Watch It But Cannot Record It
- Host: Hanyang University, Department of Electronic Engineering
- Date: November 19, 2024
Delivered a speech at Hanyang University
- Title: A Scalable Variant of Private Set Intersection
- Host: Hanyang University, Department of Mathematics
- Date: June 5, 2024
Delivered a speech at Hanyang University
- Title: Security for Next-Gen Web Ecosystem
- Host: Hanyang University, Department of Electronic Engineering
- Date: June 5, 2024
Delivered an invited speech at Saint Mary’s College at Notre Dame, IN
Delivered a speech at SMC!
- Title: Cryptography and Blockchain for Secure and Private Web3 Ecosystem
- Host: Saint Mary’s College at Notre Dame, Department of Mathematics and Computer Science
- Date: November 15, 2023
Delivered a speech at Desilo Inc.
- Title: Cryptography and Blockchain for Secure and Private Cyberspace
- Host: Desilo Inc.
- Date: October 18, 2023
Delivered a speech at SNU Computing Frontier Summer School 2023
- Title: Cryptography and Blockchain for Secure and Private Cyberspace
- Host: Seoul National University, Department of Computer Science and Engineering
- Date: August 30, 2023
Delivered a speech at Sungshin Women’s University
- Title: Cryptography and Blockchain for Secure and Private Web3 Ecosystem
- Host: Sungshin Women’s University, Department of Convergence Security Engineering
- Date: August 24, 2023
Delivered a speech at ZKrypto
- Title: Cryptography and Blockchain for Secure and Private Web3 Ecosystem
- Host: ZKrypto
- Date: August 16, 2023
Delivered a speech at Inha University
- Title: Cryptography and Blockchain for Secure and Private Web3 Ecosystem
- Host: Inha University, Department of Computer Engineering
- Date: August 14, 2023
Delivered a speech at Seoul National University
- Title: Cryptography and Blockchain for Secure and Private Web3 Ecosystem
- Host: Seoul National University, Department of Mathematical Sciences / CryptoLab
- Date: July 23, 2023
Delivered a speech at Hanyang University
- Title: Cryptography and Blockchain for Secure and Private Web3 Ecosystem
- Host: Hanyang University, Department of Mathematics
- Date: July 23, 2023
Delivered a speech at the University of Cincinnati
- Title: Secure Computation for Large-scale Data Collection
- Host: University of Cincinnati, Department of Electrical and Computer Engineering
- Date: June 23, 2023
Delivered a speech at Duality Technologies
- Title: Secure Computation for Large-scale Data Collection
- Host: Duality Technologies
- Date: March 2, 2023
Delivered a speech at Villanova University
- Title: Secure Computation for Large-scale Data Collection
- Host: Villanova University, ECE
- Date: March 1, 2023
Delivered a speech at Syracuse University
- Title: Secure Computation and Management for Large-scale Data Collection
- Host: Syracuse University, EECS
- Date: June 24, 2022
Delivered a speech at the University of Georgia
- Title: Secure, Accountable, and Privacy-preserving Data Sharing
- Host: University of Georgia, Sensorweb Research Laboratory
- Date: April 27, 2022
Delivered a speech at Korean Scientists and Engineers Network
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: Korean Scientists and Engineers Network (KOSEN)
- Date: December 13, 2021
Delivered a speech at University of Science and Technology of China
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: University of Science and Technology of China, School of computer Science and Technology
- Date: October 20, 2021
Delivered a speech at Indiana Cybersecurity Summit
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: Privacy in the Big Data Age
- Date: October 18, 2021
Delivered information session for “Research Experience for High School (REHS)”
- Host: Riley High School at South Bend
- Date: September 3, 2021
Delivered a speech at Google Meetup
- Title: Data Security and Privacy Lab @ Notre Dame: Research Overview
- Host: Google
- Date: August 19, 2021
Delivered a speech at Inha University
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: Inha University, Department of Computer Engineering
- Date: July 30, 2021
Delivered a speech at Seoul National University
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: Seoul National University, Department of Mathematics
- Date: July 29, 2021
Delivered a speech at Hanyang University
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: Hanyang University, Department of Mathematics
- Date: July 28, 2021
Delivered a speech at Pohang University of Science and Technology
- Title: Secure Computation and Management for Large-scale Data Aggregation
- Host: Pohang University of Science and Technology, Department of Electrical Engineering
- Date: July 23, 2021
Delivered an invited speech at Society of Hispanic Professional Engineers at Notre Dame
- Title: Secure Computation and Trackable Sharing for Cybersecurity
- Host: Society of Hispanic Professional Engineers at Notre Dame
- Date: November 21, 2019
Delivered an invited speech at Saint Mary’s College at Notre Dame, IN
- Title: Secure Computation and Trackable Sharing for Cybersecurity
- Host: Department of Mathematics Computer Science at Saint Mary’s College
- Date: November 20, 2019
Delivered an invited speech at KOCSEA 2019 at Duluth,GA
- Title: Developing Secure Multiparty Computation with the Minimum Communication Round
- Host: KOCSEA 2019
- Date: November 16, 2019
Delivered an invited speech at Robinson Community Learning Center at South Bend
- Title: The Fourth Industrial Revolution: Possible Impacts on Cybersecurity
- Host: Robinson Community Learning Center at South Bend
- Date: August 26, 2019
Delivered an invited speech at Mendoza College of Business at the University of Notre Dame
- Title: Towards Practical Security in Secure Computation and Blockchain
- Host: Information Technology, Analytics, and Operations Department
- Date: June 6, 2019
Invited to speak at University of Notre Dame, Department of ACMS
- Title: Towards Private and Secure Big Data Provisioning: Data Privacy and Accountability in Big Data
- Host: University of Notre Dame, Department of Applied and Computational Mathematics and Statistics (ACMS)
- Date: April 10, 2018
Invited to speak at Hackathon hosted by ACM-W at Illinois Tech.
- Title: The fourth industrial revolution: possible impacts on security and privacy
- Host: ACM-W@Illinois Tech.
- Event: Hackathon
- Date: May 5, 2017
Invited to speak at Illinois Tech. SIAM student chapter
- Title: Introductory-level discussion of cryptography in computer science and cybersecurity
- Host: Illinois Tech. SIAM student chapter
- Date: March 31, 2016
Interviewed by IEEE Xplore Innovation Spotlight
- Title: In cybersecurity, being “oblivious” can be a good thing [link]
- Host: IEEE Xplore Innovation Spotlight
- Date: Aug 28, 2015
Invited to speak at a seminar hosted by NetLab in Korea University
- Title: Beyond the anonymization and encryption: privacy risks and countermeasures in big data
- Host: NetLab, Department of Computer Science and Engineering, Korea University
- Date: May 13, 2015