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    Wyświetlanie 1-5 z 5
    Tytuł:
    Survey on cloud computing vulnerability and cyber attacks: a defensive approach
    Autorzy:
    Turel, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/1933939.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Gdańska
    Tematy:
    cloud computing
    security
    Iaas
    PaaS
    SaaS
    forensic
    encryption
    Opis:
    Cyber attacks against cloud computing discourage users to migrate to cloud computing. Cloud computing currently has weaknesses in terms of securing data. Unprotected data and weak storage security are potential threats to cloud computing. There are security risks and they should be considered carefully before enterprises migrate to cloud computing. Specifying cloud computing vulnerabilities and defining cyber attacks against infrastructure of the Cloud are the targets of this research. Mitigation of the non-technical problems may decrease the security problems. However, cryptographies, distributed denial of service and flooding attacks damage the servers and services. In this research, my aim is to demonstrate cloud computing vulnerability and the threats against data and storage. Once the cloud security problems are defined, the next step is to look for a solution. Using forensic methods to inspect intrusion attempts, implementing an online forensic workstation monitoring the login details of cloud authentication server, providing evidence of cyber crime are recommended.
    Źródło:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2013, 17, 1-2; 95-107
    1428-6394
    Pojawia się w:
    TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Confidential Greedy Graph Algorithm
    Autorzy:
    Waszkiewicz, D.
    Horubala, A.
    Sapiecha, P.
    Andrzejczak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/226681.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cryptography
    fully homomorphic encryption
    confidential graph algorithm
    cloud computing
    Opis:
    Confidential algorithm for the approximate graph vertex covering problem is presented in this article. It can preserve privacy of data at every stage of the computation, which is very important in context of cloud computing. Security of our solution is based on fully homomorphic encryption scheme. The time complexity and the security aspects of considered algorithm are described.
    Źródło:
    International Journal of Electronics and Telecommunications; 2018, 64, 2; 179-183
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Block Cipher Based Public Key Encryption via Indistinguishability Obfuscation
    Autorzy:
    Horubała, A.
    Waszkiewicz, D.
    Andrzejczak, M.
    Sapiecha, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/226598.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    indistinguishability obfuscation
    public key cryptosystems
    homomorphic encryption
    cloud computing
    information protection
    Opis:
    The article is devoted to generation techniques of the new public key crypto-systems, which are based on application of indistinguishability obfuscation methods to selected private key crypto-systems. The techniques are applied to symmetric key crypto-system and the target system is asymmetric one. As an input for our approach an implementation of symmetric block cipher with a given private-key is considered. Different obfuscation methods are subjected to processing. The target system would be treated as a public-key for newly created public crypto-system. The approach seems to be interesting from theoretical point of view. Moreover, it can be useful for information protection in a cloud-computing model.
    Źródło:
    International Journal of Electronics and Telecommunications; 2018, 64, 2; 173-178
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tokenization as a data security technique
    Autorzy:
    Ogigau-Neamtiu, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/119803.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Sztuki Wojennej
    Tematy:
    cloud computing
    data security
    encryption
    obfuscation
    chmura obliczeniowa
    ochrona danych
    szyfrowanie
    zaciemnianie
    Opis:
    Nowadays, organisations, especially those which embrace the modern cloud computing technology, are facing the complex challenge of securing their data assets while providing modern IT services. Classical solutions for ensuring data security have consistent limitations in modern platforms due to factors like data sharing requirements, multi-tenancy, dynamic environment, high availability and reliability requirements, etc. One approach to address this problem is to implement encryption mechanisms which will provide the required security, but they depend on substantial investments in hardware and/or software and add supplementary complexity to those systems. This article analyses tokenization as an alternative strategy for ensuring data security in modern cloud computing systems by implementing mechanisms to hide sensitive data and restrict access to it. Tokenization systems are more easy to implement and can be used extensively for ensuring data security in IT systems.
    Źródło:
    Zeszyty Naukowe AON; 2016, 2(103); 124-135
    0867-2245
    Pojawia się w:
    Zeszyty Naukowe AON
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A cryptographic security mechanism for dynamic groups for public cloud environments
    Autorzy:
    Malviya, Sheenal
    Dave, Sourabh
    Bandhu, Kailash Chandra
    Litoriya, Ratnesh
    Powiązania:
    https://bibliotekanauki.pl/articles/27314248.pdf
    Data publikacji:
    2022
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    cloud computing
    cloud data security
    dynamic groups
    homomorphic encryption
    chaotic network
    throughput
    avalanche effect
    Opis:
    Cloud computing has emerged as a significant technology domain, primarily due to the emergence of big data, machine learning, and quantum computing applications. While earlier, cloud computing services were focused mainly on providing storage and some infrastructures/ platforms for applications, the need to advance computational power analysis of massive datasets. It has made cloud computing almost inevitable from most client-based applications, mobile applications, or web applications. The allied challenge to protect data shared from and to cloud-based platforms has cropped up with the necessity to access public clouds. While conventional cryptographic algorithms have been used for securing and authenticating cloud data, advancements in cryptanalysis and access to faster computation have led to possible threats to the traditional security of cloud mechanisms. This has led to extensive research in homomorphic encryption pertaining to cloud security. In this paper, a security mechanism is designed targeted towards dynamic groups using public clouds. Cloud security mechanisms generally face a significant challenge in terms of overhead, throughput, and execution time to encrypt data from dynamic groups with frequent member addition and removal. A two-stage homomorphic encryption process is proposed for data security in this paper. The performance of the proposed system is evaluated in terms of the salient cryptographic metrics, which are the avalanche effect, throughput, and execution time. A comparative analysis with conventional cryptographic algorithms shows that the proposed system outperforms them regarding the cryptographic performance metrics.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2022, 16, 2; 46--54
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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