Publications — Josh Dafoe

Preprints

2026

SxSSD: A Secure and Extensible Software-defined Solid State Drive

Josh Dafoe and Bo Chen

arXiv preprint arXiv:2608.23365, 2026.

arXiv ↗

Journal Papers

2024

Enabling Per-file Data Recovery from Ransomware Attacks via File System Forensics and Flash Translation Layer Data Extraction

Josh Dafoe, Niusen Chen, Bo Chen, and Zhenlin Wang

Cybersecurity, 7(1), Article 75, 2024.

Article ↗DOI ↗

Conference Papers

2026

A Runtime Decentralized Attestation and Coordinated Repair Framework for Securing Automotive ECUs

Josh Dafoe, Niusen Chen, and Bo Chen

IEEE Conference on Communications and Network Security (CNS 2026), Newark, Delaware.

arXiv ↗

2025

Developing MCP-based LLM Agents for Secure Autonomous Vehicle Planning

Qiang Han, Josh Dafoe, and Bo Chen

EAI International Conference on Security and Privacy in Cyber-Physical Systems and Smart Vehicles (SmartSP 2025), Salt Lake City, Utah.

Paper record ↗Conference ↗

2025

Hardware-assisted Secure Decentralized Cloud Storage via Self-audit and Self-repair

Josh Dafoe, Niusen Chen, and Bo Chen

21st EAI International Conference on Security and Privacy in Communication Networks (SecureComm 2025), Xiangtan, China.

Paper record ↗Conference ↗

2024

Hardware-assisted Runtime In-vehicle ECU Firmware Self-attestation and Self-repair

Best Paper · Top 2.9%

Josh Dafoe, Job Siy, Niusen Chen, and Bo Chen

EAI International Conference on Security and Privacy in Cyber-Physical Systems and Smart Vehicles (SmartSP 2024), New Orleans, Louisiana.

Paper record ↗Conference ↗

2023

Enabling Real-Time Restoration of Compromised ECU Firmware in Connected and Autonomous Vehicles

Josh Dafoe, Harsh Singh, Niusen Chen, and Bo Chen

EAI International Conference on Security and Privacy in Cyber-Physical Systems and Smart Vehicles (SmartSP 2023), Chicago, Illinois.

PDF ↗Conference ↗

Extended Abstracts & Posters

2025

Poster: Leveraging Large Language Models for Detecting OS-level Ransomware

Zhuoyan Xu, Josh Dafoe, and Bo Chen

IEEE Symposium on Security and Privacy (S&P 2025), Poster Session, San Francisco, California. Extended abstract.

Abstract ↗

2024

Poster: A Full-stack Secure Deletion Framework for Modern Computing Devices

Bo Chen, Caleb Rother, and Josh Dafoe

ACM Conference on Computer and Communications Security (CCS 2024), Poster Session, Salt Lake City, Utah.

Abstract ↗DOI ↗

2023

Poster: A Self-auditing Protocol for Decentralized Cloud Storage via Trusted Hardware Components

Josh Dafoe, Niusen Chen, and Bo Chen

IEEE Symposium on Security and Privacy (S&P 2023), Poster Session, San Francisco, California. Extended abstract.

Abstract ↗

2022

Poster: Data Recovery from Ransomware Attacks via File System Forensics and Flash Translation Layer Data Extraction

Niusen Chen, Josh Dafoe, and Bo Chen

ACM Conference on Computer and Communications Security (CCS 2022), Poster Session, Los Angeles, California.

Abstract ↗DOI ↗