Page 13 - Understandinging Forensic Technology Landscape
P. 13

Visualization-based data analytics tools             Spotfire and Power BI, to name a few, allow business
           Data visualization is a graphical representation of   users to analyze and visualize data much more rapidly
           information and data. Charts, graphs and maps provide   and with a user-friendly interface. Other tools that
           an accessible way to see and understand trends, outliers   combine data analytics with data visualization, such as
           and patterns in data. Human beings are visual creatures,   Palantir, Alteryx, and IBM i2, provide users more power
           with the ability to process visual data much more quickly   to integrate multiple data sources, robust analytics and
           than text. Data visualization brings data to life, providing   dashboard reporting.
           a visual representation of otherwise unrecognizable data
           elements. Storybooks, which typically use a combination   Visualization tools can connect to various platforms,
           of words and pictures, capture the reader’s attention   including local databases and cloud environments, and
           to view data through different filters and via different   extract almost any available structured data type. Most
           graphical representations.                           tools offer free trials, reader versions and eLearning
                                                                courses for beginners. Generally, market-leading tools can
           Dashboards that organize analyses in a mix of        be accessed and purchased from the official website.
           quantitative and visual representations can enhance
           communication of complex data to users. Interactive   Big data tools for database analytics
           dashboards allow users to drill down quickly and     There is so much volume and variety of electronic data
           explore related details with relative ease. Proper data   that new approaches for effective data handling have
           interrogation techniques using dashboards helps reduce   emerged. A catch-all term to simplify this phenomenon
                                                                                                             4
           the time required to perform targeted analysis and   is “big data.” Big data essentially refers to three “V”s:
           focus the user on high-value data points. The advent of   •   Volume — Processing high volumes of low-density
           flagging and tagging functionality, dynamic reporting   data
           and interactive dashboards allows the user to create and     –  By 2025, about 463 exabytes of data will be created
           customize their own data experience.                      worldwide every day, which is the equivalent of

                                                                                           5
           Tableau is used for analysing and presenting              212,765,957 DVDs per day
           straightforward analyses when graphs, maps and the   •   Variety — Harnessing different types of unstructured,
           ability to drill down into the underlying data is the goal.   semi-structured, and structured data
           Although its strength is creating visualization, Tableau’s     –  Structured data — Relational data, such as airline
           data preparation and data analytics are capable of        reservation systems, sales transactions, and
           handling large sets of data, providing quick insights     ATM activity
           into underlying data sources and performing powerful
           real-time computations. Even when the underlying          –  Semi-structured data — Examples include JSON,
           analyses are performed with other tools, some forensic    XML and NoSQL
           professionals use Tableau for graphing and illustrating of     –  Unstructured data — Examples include audio,
                                                                                                            6
           analytic findings.                                        images, Word documents and text messages
           Microsoft PowerPoint and Excel have the capability of   •   Velocity — The speed at which data are collected
           creating bar graphs and charts, but these tools lack   and processed
           the flexibility and scalability to process large quantities     –  527,760 Snaps and 456,000 tweets are generated
                                                                                7
           of data or multiple data sets. Tools such as Tableau,     every minute

            4     What is Big Data?, Oracle, oracle.com/big-data/guide/what-is-big-data.html, accessed September 4, 2019
            5     How much data is generated each day?, World Economic Forum, weforum.org/agenda/2019/04/how-much-data-is-generated-each-day-cf4bddf29f/, accessed September 4, 2019
            6     Structured v. Unstructured Data, Datamation, datamation.com/big-data/structured-vs-unstructured-data.html, accessed September 4, 2019
            7      How Much Data Do We Create Every Day? The Mind-Blowing Stats Everyone Should Read, Forbes, forbes.com/sites/bernardmarr/2018/05/21/how-much-data-do-we-create-every-day-
             the-mind-blowing-stats-everyone-should-read/#58fd56bd60ba, accessed September 4, 2019



                                                                   Understanding the forensic technology landscape | 9
   8   9   10   11   12   13   14   15   16   17   18