Читать книгу Big Data - Seifedine Kadry - Страница 42

Privacy of the data is yet another concern growing with the increase in data volume. Inappropriate access to personal data, EHRs, and financial transactions is a social problem affecting the privacy of the users to a great extent. The data has to be shared limiting the extent of data disclosure and ensuring that the data shared is sufficient to extract business knowledge from it. Whom access to the data should be granted to, limit of access to the data, and when the data can be accessed should be predetermined to ensure that the data is protected. Hence, there should be a deliberate access control to the data in various stages of the big data life cycle, namely data collection, storage, and management and analysis. The research on big data cannot be performed without the actual data, and consequently the issue of data openness and sharing is crucial. Data sharing is tightly coupled with data privacy and security. Big data service providers hand over huge data to the professionals for analysis, which may affect data privacy. Financial transactions contain the details of business processes and credit card details. Such kind of sensitive information should be protected well before delivering the data for analysis.