How to Find Hidden Users: A Survey of Attacks on Anonymity Networks

Erdin, Esra; Zachor, Chris; Güneş, Mehmet Hadi

doi:10.1109/comst.2015.2453434

Cited by 43 publications

(22 citation statements)

References 31 publications

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“… Intersection: This attack is also known as a composition attack. It targets the system's privacy by gaining secondary information from the system [25], [112]. The attackers gather such information from third party sources or public records [113].…”

Section: ) Application Layer Attacksmentioning

confidence: 99%

A Survey of Security Challenges, Attacks Taxonomy and Advanced Countermeasures in the Internet of Things

et al. 2020

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Section: ) Application Layer Attacksmentioning

confidence: 99%

A Survey of Security Challenges, Attacks Taxonomy and Advanced Countermeasures in the Internet of Things

et al. 2020

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“…In the works [4], [73], it is noted that while high-latency networks can provide good anonymity, the popularity of low-latency networks provides a more practical anonymity improvement. As found in [73], an attacker that can trick a user at the application layer to use Java applets, or similar, can bypass the proxy settings.…”

Section: P2p Network Analysismentioning

confidence: 99%

Privacy and Cryptocurrencies—A Systematic Literature Review

2020

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Our transaction history in the current centralized banking system has the ability to reveal a lot of private information for each spender, both to the banking system itself, but also to those entities that surround it (e.g., governments, industry etc). Examples of leaking information constitute the amounts spent, the goods on which the amounts were spent, the spending locations and the users we exchange money with. This knowledge is powerful in the hands of those who have it, and can be used in multiple ways, not always to our benefit. Cryptocurrencies, such as the famous Bitcoin, were proposed as a means to address the limitations of centralized banking systems and to offer its users privacy with regards to their transactional data. In this work, we perform a systematic literature review on the realm of privacy for electronic currencies. We present the development of digital money from electronic cash to cryptocurrencies and focus on the techniques that are employed to enhance user-privacy. Furthermore, we present flaws of the current cryptocurrency systems, which reduce the privacy of the cryptocurrency users. Finally, we describe three research directions to enhance privacy for cryptocurrencies: transaction propagation mechanisms, succinct ZK proof systems without a trusted setup, and specialised trustless zero-knowledge proofs. INDEX TERMS Anonymity, bitcoin, confidentiality, cryptocurrencies, electronic cash, privacy, zero-knowledge.

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“…A possible way to overcome this problem is to have preinstalled and pre-configured software packages on smartphones or computers, and to generally increase the awareness of this privacy challenge, possible solutions, and the existence of easy-to-use integrated browser solutions. Unfortunately, even anonymous communication protocols may leak private information through various attacks [188], for example traffic correlation [189] or timing attacks [190].…”

Section: A Ubiquitous Connectivitymentioning

confidence: 99%

Privacy in the Smart City—Applications, Technologies, Challenges, and Solutions

Eckhoff

Wagner

2018

IEEE Commun. Surv. Tutorials

229

102

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Many modern cities strive to integrate information technology into every aspect of city life to create so-called smart cities. Smart cities rely on a large number of application areas and technologies to realize complex interactions between citizens, third parties, and city departments. This overwhelming complexity is one reason why holistic privacy protection only rarely enters the picture. A lack of privacy can result in discrimination and social sorting, creating a fundamentally unequal society. To prevent this, we believe that a better understanding of smart cities and their privacy implications is needed. We therefore systematize the application areas, enabling technologies, privacy types, attackers and data sources for the attacks, giving structure to the fuzzy term "smart city". Based on our taxonomies, we describe existing privacy-enhancing technologies, review the state of the art in real cities around the world, and discuss promising future research directions. Our survey can serve as a reference guide, contributing to the development of privacy-friendly smart cities.

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How to Find Hidden Users: A Survey of Attacks on Anonymity Networks

Cited by 43 publications

References 31 publications

A Survey of Security Challenges, Attacks Taxonomy and Advanced Countermeasures in the Internet of Things

A Survey of Security Challenges, Attacks Taxonomy and Advanced Countermeasures in the Internet of Things

Privacy and Cryptocurrencies—A Systematic Literature Review

Privacy in the Smart City—Applications, Technologies, Challenges, and Solutions

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