Toshiki Shibahara

Researcher, NTT

Joined

May 2021

Names

Toshiki Shibahara (Preferred)

Emails

****@hco.ntt.co.jp (Confirmed)

,

****@gmail.com (Confirmed)

Personal Links

Career & Education History

Researcher

NTT (ntt.co.jp)

2014 – Present

Advisors, Relations & Conflicts

Coauthor

2021 – Present

PhD Advisor

Masayuki Murata

2017 – 2020

Expertise

cyber security

2014 – Present

machine learning

2014 – Present

Publications

Robust Backdoor Removal by Reconstructing Trigger-Activated Changes in Latent Representation
Kazuki Iwahana, Yusuke Yamasaki, Akira Ito, Takayuki Miura, Toshiki Shibahara
- Submitted to ICLR 2026
- Readers: Everyone
Jailbreak Defense in LLM via Attention Head Analysis and Selective Intervention
Masaki Arai, Toshiki Shibahara, Daiki Chiba, Mitsuaki Akiyama, Masato Uchida
- ACML 2025 Conference Track
- Readers: Everyone
Differentially Private Sequential Data Synthesis with Structured State Space Models and Diffusion Models
Tomoya Matsumoto, Takayuki Miura, Toshiki Shibahara, Masanobu Kii, Kazuki Iwahana, Osamu Saisho, Shingo Okamura
- SafeGenAi Poster
- Readers: Everyone
Concept Unlearning for Large Language Models
Tomoya Yamashita, Takayuki Miura, Yuuki Yamanaka, Toshiki Shibahara, Masanori Yamada
- SafeGenAi Poster
- Readers: Everyone
On Rényi Differential Privacy in Statistics-Based Synthetic Data Generation
Takayuki Miura, Toshiki Shibahara, Masanobu Kii, Atsunori Ichikawa, Juko Yamamoto, Koji Chida
- Published: 01 Jan 2023, Last Modified: 06 Nov 2023
- CoRR 2023
- Readers: Everyone
Interpreting Graph-Based Sybil Detection Methods as Low-Pass Filtering
Satoshi Furutani, Toshiki Shibahara, Mitsuaki Akiyama, Masaki Aida
- Published: 01 Jan 2023, Last Modified: 06 Nov 2023
- IEEE Trans. Inf. Forensics Secur. 2023
- Readers: Everyone
Do Backdoors Assist Membership Inference Attacks?
Yumeki Goto, Nami Ashizawa, Toshiki Shibahara, Naoto Yanai
- Published: 01 Jan 2023, Last Modified: 06 Nov 2023
- CoRR 2023
- Readers: Everyone
Analysis of Homophily Effects on Information Diffusion on Social Networks
Satoshi Furutani, Toshiki Shibahara, Mitsuaki Akiyama, Masaki Aida
- Published: 01 Jan 2023, Last Modified: 06 Nov 2023
- IEEE Access 2023
- Readers: Everyone
Individual Fairness of Data Provider Regarding Privacy Risk and Gain
Toshiki Shibahara, Takayuki Miura, Masanobu Kii, Atsunori Ichikawa
- Published: 01 Feb 2023, Last Modified: 13 Feb 2023
- Submitted to ICLR 2023
- Readers: Everyone
Competitive Information Spreading on Modular Networks
Satoshi Furutani, Toshiki Shibahara, Mitsuaki Akiyama, Masaki Aida
- Published: 01 Jan 2022, Last Modified: 06 Nov 2023
- NetSci-X 2022
- Readers: Everyone

View all 34 publications

Co-Authors

View all 53 co-authors