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As large language models (LLMs) continue to evolve, it is critical to assess the security threats and vulnerabilities that may arise both during their training phase and after models have been deployed. This survey seeks to define and…

Cryptography and Security · Computer Science 2025-05-05 Francisco Aguilera-Martínez , Fernando Berzal

Large Language Models (LLMs) have transformed natural language processing (NLP) by enabling robust text generation and understanding. However, their deployment in sensitive domains like healthcare, finance, and legal services raises…

Artificial Intelligence · Computer Science 2024-12-09 Georgios Feretzakis , Vassilios S. Verykios

Compartmentalization is good security-engineering practice. By breaking a large software system into mutually distrustful components that run with minimal privileges, restricting their interactions to conform to well-defined interfaces, we…

Cryptography and Security · Computer Science 2017-04-18 Yannis Juglaret , Catalin Hritcu , Arthur Azevedo de Amorim , Boris Eng , Benjamin C. Pierce

In recent years, there have emerged many new hardware mechanisms for improving the security of our computer systems. Hardware offers many advantages over pure software approaches: immutability of mechanisms to software attacks, better…

Cryptography and Security · Computer Science 2019-10-14 Lianying Zhao , He Shuang , Shengjie Xu , Wei Huang , Rongzhen Cui , Pushkar Bettadpur , David Lie

In this paper, we generalize the well-known index coding problem to exploit the structure in the source-data to improve system throughput. In many applications, the data to be transmitted may lie (or can be well approximated) in a…

Information Theory · Computer Science 2017-04-11 Bhavya Kailkhura , Lakshmi Narasimhan Theagarajan , Pramod K. Varshney

The actor model eases the definition of concurrent programs with non uniform behaviors. Static analysis of such a model was previously done in a data-flow oriented way, with type systems. This approach was based on constraint set resolution…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-16 Pierre-Loïc Garoche , Marc Pantel , Xavier Thirioux

In this paper, we focus on the two tasks of 3D shape abstraction and semantic analysis. This is in contrast to current methods, which focus solely on either 3D shape abstraction or semantic analysis. In addition, previous methods have had…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Haiyue Fang , Xiaogang Wang , Zheyuan Cai , Yahao Shi , Xun Sun , Shilin Wu , Bin Zhou

The issue of detecting deepfakes has garnered significant attention in the research community, with the goal of identifying facial manipulations for abuse prevention. Although recent studies have focused on developing generalized models…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Jiazhi Guan , Tianshu Hu , Hang Zhou , Zhizhi Guo , Lirui Deng , Chengbin Quan , Errui Ding , Youjian Zhao

A key competence for open-ended learning is the formation of increasingly abstract representations useful for driving complex behavior. Abstract representations ignore specific details and facilitate generalization. Here we consider the…

Machine Learning · Computer Science 2021-09-06 Charles Wilmot , Gianluca Baldassarre , Jochen Triesch

Convolutional neural networks have been used to achieve a string of successes during recent years, but their lack of interpretability remains a serious issue. Adversarial examples are designed to deliberately fool neural networks into…

Machine Learning · Computer Science 2020-04-28 Jan Philip Göpfert , André Artelt , Heiko Wersing , Barbara Hammer

We ask whether two or more images of arithmetic may inhabit the same space via different encodings. The answers have significance for a class of processor design that does all its computation in an encrypted form, without ever performing…

Cryptography and Security · Computer Science 2013-06-04 Peter T. Breuer , Jonathan P. Bowen

Large language models (LLMs) are increasingly applied in fields such as finance, education, and governance due to their ability to generate human-like text and adapt to specialized tasks. However, their widespread adoption raises critical…

Cryptography and Security · Computer Science 2025-05-26 Yu Wang , Cailing Cai , Zhihua Xiao , Peifung E. Lam

In this paper, we focus on the synthesis of secure timed systems which are modelled as timed automata. The security property that the system must satisfy is a non-interference property. Intuitively, non-interference ensures the absence of…

Logic in Computer Science · Computer Science 2012-07-23 Gilles Benattar , Franck Cassez , Didier Lime , Olivier H. Roux

Anonymity has become a significant issue in security field by recent advances in information technology and internet. The main objective of anonymity is hiding and concealing entities privacy inside a system. Many methods and protocols have…

Cryptography and Security · Computer Science 2015-10-06 Morteza Yousefi Kharaji , Fatemeh Salehi Rizi

Implicit authentication consists of a server authenticating a user based on the user's usage profile, instead of/in addition to relying on something the user explicitly knows (passwords, private keys, etc.). While implicit authentication…

Cryptography and Security · Computer Science 2015-03-03 Josep Domingo-Ferrer , Qianhong Wu , Alberto Blanco-Justicia

This paper discusses the problem of abstracting conditional probabilistic actions. We identify two distinct types of abstraction: intra-action abstraction and inter-action abstraction. We define what it means for the abstraction of an…

Artificial Intelligence · Computer Science 2013-02-28 Peter Haddawy , AnHai Doan

Interpretability aims to explain the behavior of deep neural networks. Despite rapid growth, there is mounting concern that much of this work has not translated into practical impact, raising questions about its relevance and utility. This…

We show how security type systems from the literature of language-based noninterference can be represented more directly as predicates defined by structural recursion on the programs. In this context, we show how our uniform syntactic…

Cryptography and Security · Computer Science 2013-08-16 Andrei Popescu

Opacity is an important information-flow security property in the analysis of cyber-physical systems. It captures the plausible deniability of the system's secret behavior in the presence of an intruder that may access the information flow.…

Systems and Control · Computer Science 2019-02-26 Xiang Yin , Majid Zamani

A security policy states the acceptable actions of an information system, as the actions bear on security. There is a pressing need for organizations to declare their security policies, even informal statements would be better than the…

Cryptography and Security · Computer Science 2007-05-23 James A. Hoagland , Raju Pandey , Karl N. Levitt