A security engineer needs to recommend a solution that will meet the following requirements:
– Identify sensitive data in the provider's network
– Maintain compliance with company and regulatory guidelines
– Detect and respond to insider threats, privileged user threats, and compromised accounts
– Enforce datacentric security, such as encryption, tokenization, and access control
Which of the following solutions should the security engineer recommend to address these requirements?

A. WAF
B. CASB
C. SWG
D. DLP