Security is not a new concept. It's been adopted since the early UNIX time-sharing operating system design. In the recent past, security awareness has increased among individuals and organizations on this security front due to the widespread data breaches that led to a lot of revenue loss to organizations.
Security, as a general concept, can be applied to many different things. When it comes to data security, we need to understand the following fundamental questions:
- What types of data exist?
- Who owns the data?
- Who has access to the data?
- When does the data exit the system?
- Is the data physically secured?
Let's have a look at a simple big data system and try to understand these questions in more detail. The scale of the systems ...