The Cambrian Explosion refers to a period of time around 530 or so million years ago when life exploded into an incredible diversity of life forms. There are evolutionary niches that are rapidly being filled by new life forms New data systems, such as NoSQL and Hadoop-based systems, are being created and are evolving to meet the challenges of this new era of computing, including a strong trend toward moving more and more storage and processing on the cloud. Those responsible for data security and privacy must learn about these new systems.”]
Source: https://securityintelligence.com/hadoop-nosqls-systems-data-protection-security-part-1/