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Syst."],"published-print":{"date-parts":[[2026,1,31]]},"abstract":"<jats:p>Cyber-physical systems (CPS) are highly susceptible to malicious attacks due to their complex dynamics and interconnectivity. A comprehensive understanding of their vulnerabilities is essential for designing effective resilience measures. This article presents a data-driven attack generative system for evaluating the vulnerability of CPS. The proposed approach formulates the vulnerability assessment problem as determining the feasibility of a specific attack set based on two boundary functions that represent the effectiveness and stealthiness of attacks. The attack generative model is trained using a custom loss function, with two universal approximators designed to learn the effectiveness and stealthiness functions simultaneously. Theoretical results for successful generation and asymptotic convergence of the resulting training algorithm are given. The proposed approach is evaluated via numerical simulation of an IEEE 14-bus system and gas pipeline systems, demonstrating its viability in learning how to attack nonlinear CPS and identify potential vulnerabilities.<\/jats:p>","DOI":"10.1145\/3776543","type":"journal-article","created":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T14:45:51Z","timestamp":1762872351000},"page":"1-27","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Generative Vulnerability Assessment for Cyber-Physical Systems"],"prefix":"10.1145","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0894-6912","authenticated-orcid":false,"given":"Yu","family":"Zheng","sequence":"first","affiliation":[{"name":"Department of Electrical and Computer Engineering, Florida State University, Tallahassee, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6977-0482","authenticated-orcid":false,"given":"Satish","family":"Vedula","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Florida State University, Tallahassee, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8704-445X","authenticated-orcid":false,"given":"Ayobami","family":"Olajube","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Florida State University, Tallahassee, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8662-6076","authenticated-orcid":false,"given":"Olugbenga","family":"Anubi","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, Florida State University, Tallahassee, Florida, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2026,1,20]]},"reference":[{"key":"e_1_3_2_2_2","volume-title":"Process Control: modeling, Design, and Simulation","author":"Bequette B.","year":"2002","unstructured":"B. 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