Christopher Leckie

Computer Science · Physical Sciences

50h-index12.4kcitations453works1.32yr avg
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Research Topics

Anomaly Detection Techniques and Applications(128), Network Security and Intrusion Detection(114), Complex Network Analysis Techniques(51), Internet Traffic Analysis and Secure E-voting(44), Adversarial Robustness in Machine Learning(43)

Publications452 total

HierCon: Hierarchical Contrastive Attention for Audio Deepfake Detection
ArXiv.org·2026Open Access
Toward Universal and Transferable Jailbreak Attacks on Vision-Language Models
arXiv (Cornell University)·2026Open Access
HierCon: Hierarchical Contrastive Attention for Audio Deepfake Detection
arXiv (Cornell University)·2026Open Access
Toward Universal and Transferable Jailbreak Attacks on Vision-Language Models
ArXiv.org·2026Open Access
CoLSE: A Lightweight and Robust Hybrid Learned Model for Single-Table Cardinality Estimation using Joint CDF
arXiv (Cornell University)·2025Open Access
SupLID: Geometrical Guidance for Out-of-Distribution Detection in Semantic Segmentation
2025Open Access
Screening 100,000 newborns using whole genome sequencing: the generation study
Endocrine Abstracts·2025
(Poster) Adversarial Training Under Data Exclusion Attacks as a Zero-Sum Game
Lecture notes in computer science·2025
Intention-aware Hierarchical Diffusion Model for Long-term Trajectory Anomaly Detection
arXiv (Cornell University)·2025Open Access
Using Causality to Infer Coordinated Attacks in Social Media
Proceedings of the International AAAI Conference on Web and Social Media·2025Open Access
Local Anomaly Detection with Partial Observation in Multi-agent Systems as a Data Matching Game
2025
OIL-AD: An anomaly detection framework for decision-making sequences
Pattern Recognition·2025· 2 citedOpen Access
HALO: Robust Out-of-Distribution Detection via Joint Optimisation
2025· 1 cited
SPADE: Structured Prompting Augmentation for Dialogue Enhancement in Machine-Generated Text Detection
arXiv (Cornell University)·2025Open Access
Geometry-Guided Adversarial Prompt Detection via Curvature and Local Intrinsic Dimension
arXiv (Cornell University)·2025Open Access
HALO: Robust Out-of-Distribution Detection via Joint Optimisation
arXiv (Cornell University)·2025Open Access
Exploiting Inter-Sample Information for Long-Tailed Out-of-Distribution Detection
2025Open Access
Round Trip Translation Defence Against Large Language Model Jailbreaking Attacks
Lecture notes in computer science·2025
GreedyPixel: Fine-Grained Black-Box Adversarial Attack via Greedy Algorithm
IEEE Transactions on Information Forensics and Security·2025Open Access
S-CPD: Topological Smoothing-Based Change Point Detection
Lecture notes in computer science·2025
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Frequent Co-authors

Sutharshan Rajasegarar(16), Marimuthu Palaniswami(16), James C. Bezdek(15), Shanika Karunasekera(12), Kotagiri Ramamohanarao(11), Jeffrey Chan(9), Yi Han(6), Sarah Erfani(4), Timothy C. Havens(4), Tansu Alpcan(4), Kwan Hui Lim(4), Tao Peng(3), Dheeraj Kumar(3), Chenfeng Zhou(2), Xuyun Zhang(2), Masud Moshtaghi(2), Liang Wang(2), Lawrence Hall(1), Kingsly Leung(1), Tao Peng(1)