The emerging paradigm of social networking and big data provides enormous novel approaches for efficiently adopting advanced networking communications and big data analytic schemas by using the existing mechanism. Big data and analytics is showing promise with improving cyber security. Big data challenges are numerous: Big data projects have become a normal part of doing business — but that doesn't mean that big data is easy. Challenge #5: Dangerous big data security holes. Big Data is the Future of Healthcare With big data poised to change the healthcare ecosystem, organizations . According to the NewVantage Partners Big Data Executive Survey 2017 , 95 percent of the Fortune 1000 business leaders surveyed said that their firms had undertaken a big data project in the last five years. 90% of respondents from MeriTalk’s new U.S. government survey said they’ve seen a decline in security breaches. Following this major trend, in this paper we provide an overview of state-of-the-art research issues and achievements in the field of privacy and security of big data, by highlighting open problems and actual research trends, and drawing novel research directions in this field. According to Ovum, Machine learning will be at the forefront of the big data revolution. However, by focusing on data risk and protection, breach impact and overall risk can be reduced. Enterprise data security threats are becoming more prevalent -- and more costly. Communication gap is a big issue in case of cloud forensics V. CONCLUSION AND FUTURE SCOPE The mechanisms or frameworks which were suggested for achieving the security, privacy and protection of data and resources in the cloud revolve around the encryption, forensic and SLA. You can’t discuss the future of cybersecurity without considering emerging trends in technology and threat landscapes. The social networking ... Security initiated a data center, Utah Data Center (United States NSA and Director of National Intelligence initiative) which stores data in scale of yottabytes. According to a 2016 Ponemon Institute survey of nearly 400 respondents, companies indicated that a data breach could cost an enterprise $4 million a year. But like so many other terms — “cloud” comes to mind — basic definitions, much less useful discussions of big data security issues, are often missing from the media accounts. Nonetheless, there are a number of challenges to overcome too. To identify the security challenges those are expected in the future of Cloud Computing. “Media and regulators are demonizing Big Data and its supposed threat to privacy,” noted Jeff Jarvis, professor, pundit and blogger. It follows from the above that the core data protection principles are, for the most part, in contradiction with some of the key features of big data analytics, and thus difficult to reconcile. 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