The final piece to our data architecture is security, and in this chapter we will discover that data security is always important, and the reasons for this. Given the huge increase in the volume and variety of data in recent times, caused by many factors, but in no small part due to the popularity of the Internet and related technologies, there is a growing need to provide fully scalable and secure solutions. We are going to explore those solutions along with the confidentiality, privacy, and legal concerns associated with the storing, processing, and handling of data; we will relate these to the tools and techniques introduced in previous chapters.
We will continue on by explaining the technical issues involved in securing data at scale and introduce ideas and techniques that tackle these concerns using a variety of access, classification, and obfuscation strategies. As in previous chapters, ideas are demonstrated with examples using the Hadoop ecosystem, and public cloud infrastructure...