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Related papers: The Sybil Attacks and Defenses: A Survey

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In order to prevent the disclosure of privacy-sensitive data, such as names and relations between users, social network graphs have to be anonymised before publication. Naive anonymisation of social network graphs often consists in deleting…

Social and Information Networks · Computer Science 2019-09-04 Sjouke Mauw , Yunior Ramírez-Cruz , Rolando Trujillo-Rasua

Distributed ledger technologies have gained significant attention and adoption in recent years. Despite various security features distributed ledger technology provides, they are vulnerable to different and new malicious attacks, such as…

Cryptography and Security · Computer Science 2024-11-08 Elena Baninemeh , Marre Slikker , Katsiaryna Labunets , Slinger Jansen

Adversarial training instances can severely distort a model's behavior. This work investigates certified regression defenses, which provide guaranteed limits on how much a regressor's prediction may change under a poisoning attack. Our key…

Machine Learning · Computer Science 2023-01-02 Zayd Hammoudeh , Daniel Lowd

This paper presents a preliminary validation of common textual information retrieval techniques for mapping unstructured software vulnerability information to distinct software weaknesses. The validation is carried out with a dataset…

Information Retrieval · Computer Science 2018-09-06 Jukka Ruohonen , Ville Leppänen

Recently, few certified defense methods have been developed to provably guarantee the robustness of a text classifier to adversarial synonym substitutions. However, all existing certified defense methods assume that the defenders are…

Computation and Language · Computer Science 2021-07-27 Jiehang Zeng , Xiaoqing Zheng , Jianhan Xu , Linyang Li , Liping Yuan , Xuanjing Huang

Text sanitization, which employs differential privacy to replace sensitive tokens with new ones, represents a significant technique for privacy protection. Typically, its performance in preserving privacy is evaluated by measuring the…

Cryptography and Security · Computer Science 2025-05-06 Meng Tong , Kejiang Chen , Xiaojian Yuan , Jiayang Liu , Weiming Zhang , Nenghai Yu , Jie Zhang

Researchers that work for the same institution use their email as the main communication tool. Email can be one of the most fruitful attack vectors of research institutions as they also contain access to all accounts and thus to all private…

Cryptography and Security · Computer Science 2021-04-01 Asier Gutiérrez-Fandiño , Jordi Armengol-Estapé , Marta Villegas

Recently, self-supervised learning (SSL) was shown to be vulnerable to patch-based data poisoning backdoor attacks. It was shown that an adversary can poison a small part of the unlabeled data so that when a victim trains an SSL model on…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Ajinkya Tejankar , Maziar Sanjabi , Qifan Wang , Sinong Wang , Hamed Firooz , Hamed Pirsiavash , Liang Tan

Online trust systems are playing an important role in to-days world and face various challenges in building them. Billions of dollars of products and services are traded through electronic commerce, files are shared among large peer-to-peer…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-03-17 Bas van IJzendoorn

In the wake of the arrival of digital media, the Internet, the web, and online social media, a flood of new cyber security research questions have emerged. There is a lot of money being lost around the world because of cyber-attacks. As a…

Cryptography and Security · Computer Science 2023-08-29 Kashif Ishaq , Sidra Fareed

Phishing is a well-known cybersecurity attack that has rapidly increased in recent years. It poses legitimate risks to businesses, government agencies, and all users due to sensitive data breaches, subsequent financial and productivity…

Cryptography and Security · Computer Science 2019-08-19 Sanchari Das , Andrew Kim , Zachary Tingle , Christena Nippert-Eng

Sybil accounts are fake identities created to unfairly increase the power or resources of a single malicious user. Researchers have long known about the existence of Sybil accounts in online communities such as file-sharing systems, but…

Social and Information Networks · Computer Science 2015-03-19 Zhi Yang , Christo Wilson , Xiao Wang , Tingting Gao , Ben Y. Zhao , Yafei Dai

Network robustness against attacks is one of the most fundamental researches in network science as it is closely associated with the reliability and functionality of various networking paradigms. However, despite the study on intrinsic…

Social and Information Networks · Computer Science 2015-06-23 Pin-Yu Chen , Shin-Ming Cheng

Neural network classifiers are vulnerable to data poisoning attacks, as attackers can degrade or even manipulate their predictions thorough poisoning only a few training samples. However, the robustness of heuristic defenses is hard to…

Machine Learning · Computer Science 2020-10-14 Ruoxin Chen , Jie Li , Chentao Wu , Bin Sheng , Ping Li

Within the text analysis and processing fields, generated text attacks have been made easier to create than ever before. To combat these attacks open sourcing models and datasets have become a major trend to create automated detection…

Computation and Language · Computer Science 2022-10-13 Jesus Guerrero , Izzat Alsmadi

Influential users have great potential for accelerating information dissemination and acquisition on Twitter. How to measure the influence of Twitter users has attracted significant academic and industrial attention. Existing influential…

Social and Information Networks · Computer Science 2016-11-17 Jinxue Zhang , Rui Zhang , Jingchao Sun , Yanchao Zhang , Chi Zhang

Valid empirical studies build confidence in scientific findings. Fortunately, it is now common for software engineering researchers to consider threats to validity when designing their studies and to discuss them as part of their…

Software Engineering · Computer Science 2024-02-14 Marvin Wyrich , Sven Apel

While neural networks have achieved high accuracy on standard image classification benchmarks, their accuracy drops to nearly zero in the presence of small adversarial perturbations to test inputs. Defenses based on regularization and…

Machine Learning · Computer Science 2020-11-03 Aditi Raghunathan , Jacob Steinhardt , Percy Liang

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

Social engineering (SE) aims at deceiving users into performing actions that may compromise their security and privacy. These threats exploit weaknesses in human's decision making processes by using tactics such as pretext, baiting,…

Cryptography and Security · Computer Science 2024-01-12 Irfan Ozen , Karthika Subramani , Phani Vadrevu , Roberto Perdisci