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Author

Hyesong Choi

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Preprint Oct 2026

SecODD: Adapting the Operational Design Domain from Driving Autonomy to Autonomous Cyber Defense

Security operations centers are beginning to delegate detection, triage, and containment to Autonomous Cyber Defense (ACD) agents at execution time. Erroneous high-impact playbooks can disrupt critical services and create accountability gaps among deployers, SOC supervisors, vendors, managed service providers, and infr...

Ji-Na Kang, Jeong-Han Yun, Hyesong Choi · 0 citations
Preprint Sep 2026

Isotropic Embedding Perturbations for Robust Vision Language Encoders

Aether is introduced, a simple plug-in method that applies diffusion-style random perturbations in the embedding space via controlled alpha-mixing, specifically designed to provide isotropic regularization that remains semantically consistent.

Hyesong Choi, Daeun Kim, Song Park et al. · 0 citations

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