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170 results on '"Park, Joon S."'

1. ChainGuard: A Blockchain-based Authentication and Access Control Scheme for Distributed Networks

Author

Bappy, Faisal Haque, Park, Joon S., Hasan, Kamrul, and Islam, Tariqul

Subjects
Computer Science - Cryptography and Security
Abstract

As blockchain technology gains traction for enhancing data security and operational efficiency, traditional centralized authentication systems remain a significant bottleneck. This paper addresses the challenge of integrating decentralized authentication and access control within distributed networks. We propose a novel solution named ChainGuard, a fully decentralized authentication and access control mechanism based on smart contracts. ChainGuard eliminates the need for a central server by leveraging blockchain technology to manage user roles and permissions dynamically. Our scheme supports user interactions across multiple organizations simultaneously, enhancing security, efficiency, and transparency. By addressing key challenges such as scalability, security, and transparency, ChainGuard not only bridges the gap between traditional centralized systems and blockchain's decentralized ethos but also enhances data protection and operational efficiency., Comment: accepted at the 2025 IEEE Consumer Communications & Networking Conference (CCNC 2025)

Published
2024

2. Impact of Conflicting Transactions in Blockchain: Detecting and Mitigating Potential Attacks

Author

Bappy, Faisal Haque, Islam, Tariqul, Hasan, Kamrul, Park, Joon S., and Caicedo, Carlos

Subjects
Computer Science - Distributed, Parallel, and Cluster Computing, Computer Science - Cryptography and Security
Abstract

Conflicting transactions within blockchain networks not only pose performance challenges but also introduce security vulnerabilities, potentially facilitating malicious attacks. In this paper, we explore the impact of conflicting transactions on blockchain attack vectors. Through modeling and simulation, we delve into the dynamics of four pivotal attacks - block withholding, double spending, balance, and distributed denial of service (DDoS), all orchestrated using conflicting transactions. Our analysis not only focuses on the mechanisms through which these attacks exploit transaction conflicts but also underscores their potential impact on the integrity and reliability of blockchain networks. Additionally, we propose a set of countermeasures for mitigating these attacks. Through implementation and evaluation, we show their effectiveness in lowering attack rates and enhancing overall network performance seamlessly, without introducing additional overhead. Our findings emphasize the critical importance of actively managing conflicting transactions to reinforce blockchain security and performance., Comment: This work has been accepted at the 2024 IEEE Global Communications Conference (Globecom 2024)

Published
2024

3. Towards Immutability: A Secure and Efficient Auditing Framework for Cloud Supporting Data Integrity and File Version Control

Author

Bappy, Faisal Haque, Zaman, Saklain, Islam, Tariqul, Rizvee, Redwan Ahmed, Park, Joon S., and Hasan, Kamrul

Subjects
Computer Science - Cryptography and Security
Abstract

Although wide-scale integration of cloud services with myriad applications increases quality of services (QoS) for enterprise users, verifying the existence and manipulation of stored cloud information remains an open research problem. Decentralized blockchain-based solutions are becoming more appealing for cloud auditing environments because of the immutable nature of blockchain. However, the decentralized structure of blockchain results in considerable synchronization and communication overhead, which increases maintenance costs for cloud service providers (CSP). This paper proposes a Merkle Hash Tree based architecture named Entangled Merkle Forest to support version control and dynamic auditing of information in centralized cloud environments. We utilized a semi-trusted third-party auditor to conduct the auditing tasks with minimal privacy-preserving file metadata. To the best of our knowledge, we are the first to design a node sharing Merkle Forest to offer a cost-effective auditing framework for centralized cloud infrastructures while achieving the immutable feature of blockchain, mitigating the synchronization and performance challenges of the decentralized architectures. Our proposed scheme outperforms it's equivalent Blockchain-based schemes by ensuring time and storage efficiency with minimum overhead as evidenced by performance analysis.

Published
2023
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7. Novel Benchmark Values for Open Major Anatomic Liver Resection in Non-Cirrhotic Patients. A Multicentric Study of 44 International Expert Centers

Author

Sousa Da Silva, Richard X., Breuer, Eva, Shankar, Sadhana, Kawakatsu, Shoji, Hołówko, Wacław, Coelho, João Santos, Jeddou, Heithem, Sugiura, Teiichi, Ghallab, Mohammed, Da Silva, Doris, Watanabe, Genki, Botea, Florin, Sakai, Nozomu, Addeo, Pietro F., Tzedakis, Stylianos, Bartsch, Fabian, Balcer, Kaja, Lim, Chetana, Werey, Fabien, López, Victor, Montero, Luciana Peralta, Claria, Rodrigo Sanchez, Leiting, Jennifer, Vachharajani, Neeta, Hopping, Eve, Torres, Orlando J. M., Hirano, Satoshi, Andel, Daan, Hagendoorn, Jeroen, Psica, Alicja, Ravaioli, Matteo, Ahn, Keun S., Reese, Tim, Montes, Leonardo Agustin, Gunasekaran, Ganesh, Alcázar, Cándido, Lim, Jin H., Haroon, Muhammad, Lu, Qian, Castaldi, Antonio, Orimo, Tatsuya, Moeckli, Beat, Abadía, Teresa, Ruffolo, Luis, Hasan, Josefina Dib, Ratti, Francesca, Kaufmann, Emmanuele F., de Wilde, Roeland, Polak, Wojciech G., Boggi, Ugo, Aldrighetti, Luca, McCormack, Lucas, Hernandez-Alejandro, Roberto, Serrablo, Alejandro, Toso, Christian, Taketomi, Akinobu, Gugenheim, Jean, Dong, Jiahong, Hanif, Faisal, Park, Joon S., Ramia, José M., Schwartz, Myron, Ramisch, Diego, De Oliveira, Michelle, Oldhafer, Karl J., Kang, Koo J., Cescon, Matteo, Lodge, Peter, Rinkes, Inne H. M. Borel, Noji, Takehiro, Thomson, John-Edwin, Goh, Su K., Chapman, William C., Cleary, Sean P., Pekolj, Juan, Regimbeau, Jean-Marc, Scatton, Olivier, Truant, Stéphanie, Lang, Hauke, Fuks, David, Bachellier, Philippe, Otsuka, Masayuki, Popescu, Irinel, Hasegawa, Kiyoshi, Lesurtel, Mickaël, Adam, René, Cherqui, Daniel, Uesaka, Katsuhiko, Boudjema, Karim, Marques, Hugo Pinto, Grąt, Micha, Petrowsky, Henrik, Ebata, Tomoki, Prachalias, Andreas, Robles-Campos, Ricardo, and Clavien, Pierre-Alain

Published
2023
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10. Security and Interdependency in a Public Cloud: A Game-Theoretic Approach

Author

Kamhoua, Charles A., Kwiat, Luke, Kwiat, Kevin A., Park, Joon S., Zhao, Ming, Rodriguez, Manuel, Başar, Tamer, Series Editor, Bernhard, Pierre, Advisory board, Zaccour, Georges, Advisory board, Kurzhanski, Alexander, Advisory board, Acemoglu, Daron, Advisory board, Falcone, Maurizio, Advisory board, Rubinstein, Ariel, Advisory board, Sandholm, William H., Advisory board, Shoham, Yoav, Advisory board, Rass, Stefan, editor, and Schauer, Stefan, editor

Published
2018
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12. Novel Benchmark Values for Open Major Anatomic Liver Resection in Non-Cirrhotic Patients. A Multicentric Study of 44 International Expert Centers

Author

MS CGO, Cancer, Heelkunde Opleiding, Regenerative Medicine and Stem Cells, Sousa Da Silva, Richard X, Breuer, Eva, Shankar, Sadhana, Kawakatsu, Shoji, Hołówko, Wacław, Coelho, João Santos, Jeddou, Heithem, Sugiura, Teiichi, Ghallab, Mohammed, Da Silva, Doris, Watanabe, Genki, Botea, Florin, Sakai, Nozomu, Addeo, Pietro F, Tzedakis, Stylianos, Bartsch, Fabian, Balcer, Kaja, Lim, Chetana, Werey, Fabien, López, Victor, Montero, Luciana Peralta, Claria, Rodrigo Sanchez, Leiting, Jennifer, Vachharajani, Neeta, Hopping, Eve, Torres, Orlando J M, Hirano, Satoshi, Andel, Daan, Hagendoorn, Jeroen, Psica, Alicja, Ravaioli, Matteo, Ahn, Keun S, Reese, Tim, Montes, Leonardo Agustin, Gunasekaran, Ganesh, Alcázar, Cándido, Lim, Jin H, Haroon, Muhammad, Lu, Qian, Castaldi, Antonio, Orimo, Tatsuya, Moeckli, Beat, Abadía, Teresa, Ruffolo, Luis, Hasan, Josefina Dib, Ratti, Francesca, Kaufmann, Emmanuele F, de Wilde, Roeland, Polak, Wojciech G, Boggi, Ugo, Aldrighetti, Luca, McCormack, Lucas, Hernandez-Alejandro, Roberto, Serrablo, Alejandro, Toso, Christian, Taketomi, Akinobu, Gugenheim, Jean, Dong, Jiahong, Hanif, Faisal, Park, Joon S, Ramia, José M, Schwartz, Myron, Ramisch, Diego, De Oliveira, Michelle, Oldhafer, Karl J, Kang, Koo J, Cescon, Matteo, Lodge, Peter, Rinkes, Inne H M Borel, Noji, Takehiro, Thomson, John-Edwin, Goh, Su K, Chapman, William C, Cleary, Sean P, Pekolj, Juan, Regimbeau, Jean-Marc, Scatton, Olivier, Truant, Stéphanie, Lang, Hauke, Fuks, David, Bachellier, Philippe, Otsuka, Masayuki, Popescu, Irinel, Hasegawa, Kiyoshi, Lesurtel, Mickaël, Adam, René, Cherqui, Daniel, Uesaka, Katsuhiko, Boudjema, Karim, Marques, Hugo Pinto, Grąt, Micha, Petrowsky, Henrik, Ebata, Tomoki, Prachalias, Andreas, Robles-Campos, Ricardo, Clavien, Pierre-Alain, MS CGO, Cancer, Heelkunde Opleiding, Regenerative Medicine and Stem Cells, Sousa Da Silva, Richard X, Breuer, Eva, Shankar, Sadhana, Kawakatsu, Shoji, Hołówko, Wacław, Coelho, João Santos, Jeddou, Heithem, Sugiura, Teiichi, Ghallab, Mohammed, Da Silva, Doris, Watanabe, Genki, Botea, Florin, Sakai, Nozomu, Addeo, Pietro F, Tzedakis, Stylianos, Bartsch, Fabian, Balcer, Kaja, Lim, Chetana, Werey, Fabien, López, Victor, Montero, Luciana Peralta, Claria, Rodrigo Sanchez, Leiting, Jennifer, Vachharajani, Neeta, Hopping, Eve, Torres, Orlando J M, Hirano, Satoshi, Andel, Daan, Hagendoorn, Jeroen, Psica, Alicja, Ravaioli, Matteo, Ahn, Keun S, Reese, Tim, Montes, Leonardo Agustin, Gunasekaran, Ganesh, Alcázar, Cándido, Lim, Jin H, Haroon, Muhammad, Lu, Qian, Castaldi, Antonio, Orimo, Tatsuya, Moeckli, Beat, Abadía, Teresa, Ruffolo, Luis, Hasan, Josefina Dib, Ratti, Francesca, Kaufmann, Emmanuele F, de Wilde, Roeland, Polak, Wojciech G, Boggi, Ugo, Aldrighetti, Luca, McCormack, Lucas, Hernandez-Alejandro, Roberto, Serrablo, Alejandro, Toso, Christian, Taketomi, Akinobu, Gugenheim, Jean, Dong, Jiahong, Hanif, Faisal, Park, Joon S, Ramia, José M, Schwartz, Myron, Ramisch, Diego, De Oliveira, Michelle, Oldhafer, Karl J, Kang, Koo J, Cescon, Matteo, Lodge, Peter, Rinkes, Inne H M Borel, Noji, Takehiro, Thomson, John-Edwin, Goh, Su K, Chapman, William C, Cleary, Sean P, Pekolj, Juan, Regimbeau, Jean-Marc, Scatton, Olivier, Truant, Stéphanie, Lang, Hauke, Fuks, David, Bachellier, Philippe, Otsuka, Masayuki, Popescu, Irinel, Hasegawa, Kiyoshi, Lesurtel, Mickaël, Adam, René, Cherqui, Daniel, Uesaka, Katsuhiko, Boudjema, Karim, Marques, Hugo Pinto, Grąt, Micha, Petrowsky, Henrik, Ebata, Tomoki, Prachalias, Andreas, Robles-Campos, Ricardo, and Clavien, Pierre-Alain

Published
2023

18. Problem Analyses and Recommendations in DRM Security Policies

Author

Kim, Youngseek, Howard, Jessica, Ravindranath, Sharad, Park, Joon S., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Ortiz-Arroyo, Daniel, editor, Larsen, Henrik Legind, editor, Zeng, Daniel Dajun, editor, Hicks, David, editor, and Wagner, Gerhard, editor

Published
2008
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19. Cooperative Component Testing Architecture in Collaborating Network Environment

Author

An, Gaeil, Park, Joon S., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Xiao, Bin, editor, Yang, Laurence T., editor, Ma, Jianhua, editor, Muller-Schloer, Christian, editor, and Hua, Yu, editor

Published
2007
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20. Packet Marking Based Cooperative Attack Response Service for Effectively Handling Suspicious Traffic

Author

An, Gaeil, Park, Joon S., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Lipmaa, Helger, editor, Yung, Moti, editor, and Lin, Dongdai, editor

Published
2006
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21. Access Control Requirements for Preventing Insider Threats

Author

Park, Joon S., Giordano, Joseph, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Mehrotra, Sharad, editor, Zeng, Daniel D., editor, Chen, Hsinchun, editor, Thuraisingham, Bhavani, editor, and Wang, Fei-Yue, editor

Published
2006
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23. Trusted Identity and Session Management Using Secure Cookies

Author

Park, Joon S., Krishnan, Harish S., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Dough, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Jajodia, Sushil, editor, and Wijesekera, Duminda, editor

Published
2005
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25. Composite Role-Based Monitoring (CRBM) for Countering Insider Threats

Author

Park, Joon S., Ho, Shuyuan Mary, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Chen, Hsinchun, editor, Moore, Reagan, editor, Zeng, Daniel D., editor, and Leavitt, John, editor

Published
2004
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36. Towards an Effective Wireless Security Policy for Sensitive Organizations

Author

Manley, Michael, McEntee, Cheri, Molet, Anthony, Park, Joon S., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Kantor, Paul, editor, Muresan, Gheorghe, editor, Roberts, Fred, editor, Zeng, Daniel D., editor, Wang, Fei-Yue, editor, Chen, Hsinchun, editor, and Merkle, Ralph C., editor

Published
2005
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47. Spam detection: increasing accuracy with a hybrid solution

Author

Park, Joon S. and Deshpande, Ashutosh

Subjects
Unsolicited bulk e-mail, E-mail, Spam (Junk email) -- Analysis, Electronic mail systems -- Usage
Abstract

A significant increase in the amount of e-mail spam has become a major concern to both organizations and employees. This article identifies and compares three different types of spam-detection approaches: list-based, content-scanning, and forged-e-mail detection. Because none of these approaches provides a comprehensive solution, a hybrid solution, which maximizes their collective strengths and minimizes their individual weaknesses, is proposed and tested with a prototype tool developed by the authors.

Published
2006

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