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An Insight to Big Data and its Applications

As we know that digitization is one of boon of 21st century technologies. With the mass storage of digital information and development of internet based technologies like cloud computing, researcher interest has been increased in Big Data and its security. The term Big Data refers to the huge amount of digital information. Actually, Big Data is not a fully new technology; but it is the expansion of data mining technique. Today, we are heavily dependent on internet, just like the electricity for transferring, storing and accessing any useful information.

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People are uploading text messages, images, and videos using their internet account or updating their social networking sites status, leaving comments. Nowadays, we feel safe to store a copy of our documents or files on the internet for that many companies like Google, Microsoft and Yahoo are offering free web space in GBs on their Cloud data server. The data comes from everywhere: sensors used to gather climate information, posts to social media sites, digital images and videos, purchase transaction records and cell phones GPS signals, share market data, many machines are also generating and storing data. You may be reading this research article in digital form on your mobile or laptop.bigdata2

All these types of data is generating regularly. It will not be false to say that we are living in the era of digital data. We can’t measure easily the total amount of digitally stored data, but an IDC put the effort around 4.4 ZB(Zetta Byte) in 2013 and according to their prediction it will be more than double every two years and  a tenfold growth by 2020 to 44 zettabytes. This torrent of data is coming from many sources. Google process 20 pB(petaBytes) data/day. Facebook hold the 2.5 petabytes and add 15 terabytes daily. In every minute YouTube add 600 new videos and Facebook receive 34,722(approx) ‘likes’. We can see our government and private agencies have placed CCTV cameras on public places for social security and invigorations. They are using the recorded videos for the detection of criminals. So, there’s a lot of data available in digitally form. Most of these data is sheltered up in the search engines or in scientific or financial institution.

Cloud computing is set of resources and services offered through the Internet. Cloud services are delivered from data centers located throughout the world. Cloud computing storage gives the facility to distribute data on heterogeneous data server. Cloud computing facilitates its consumers by providing virtual resources via internet. General example of cloud services is Google apps, provided by Google and Microsoft SharePoint. The boom in cloud computing has brought lots of security challenges for the consumers and service providers. How the end users of cloud computing know that their information is not having any availability and security issues? Every one poses, Is their information secure? It is the responsibility of cloud service providers to provide the integrity and maintain the privacy of customer data. We should also take precautions while accessing the cloud services over the internet. We have to follow the security instructions given by the service provider before using any internet service. Cyber criminals are also taking the advantages of this digital information. They are trying to penetrate the information systems that we are using for business transactions. So, in the digital era, everyone should have the basic knowledge of cyber security and law. We should provide the fundamental knowledge of cyber security to our friends, children and even our parents.

Written By:

Dr. Sunil Kumar

Assistant Professor

About Sharad Raghuvansh

7 comments

  1. Perfect knowledge

  2. Shashank Mukherjee

    This is good article. Big data is in demand now a day’s.
    This article contains good information.
    Thanks a lot.

  3. Dear Sir,

    I read your blog, this is very useful awareness for the students and peoples about cyber security and its importance. Everyone should know about the basic concepts of cyber security and its law, because Black Hat hackers take the benefits of unaware people and it works as a vulnerability in the systems to get it done like cyber crime. So everyone using the technologies for their daily day to day activities should be aware about cyber security basic principles.

    Thanks for your information,
    Mohit Chauhan

  4. A well articulated article on Big Data and Cloud computing.

  5. Great article sir. I am waiting for many more new article like this.

  6. saurabh maheshwari

    Nice blog .. thanks for giving such good information

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