The study was aimed at examining big data management in three telecommunication companies. The case of Big Data management was studied using a qualitative research approach with the primary method of open-ended interview. Websites and documents were examined for developing company profile. Observations augmented data collection from other sources. Companies have widespread operations with substantial stakes. Big Data was managed by using diverse systems such as Cloudera Data Hub (CDH) and SaaS. For data security, these companies made different arrangements. Three companies used big data systems for diverse functions and applications. These companies needed to develop competent professionals for data management, security, and other applications. It was a study of its own kind conducted in this context. Companies in different sectors may benefit from these findings and suggestions. This study may have wider implications for regional organizations. These are credible findings for these companies in managing big data. Other companies may also benefit from these findings.
Key words: Big data, telecommunication companies, data security, big data management.
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