Group A: Events and properties that are classified as non-sensitive, including de-identified information, which means they aren't encrypted.

Group B: Events and properties that are categorized as sensitive (for example— name) are encrypted.

Segment: A Customer Data Platform (CDP) from Twilio, that helps to collect, clean, and activate customer data, ensuring that both the Source and Destination are effectively created and maintained. All sensitive data stays encrypted within Segment.

Source: A server library/SDK that sends event data to Segment, as captured from Insight+.

Destination: A data warehouse that collects event data from Segment, synchronized on an hourly basis.

PGP: Pretty Good Privacy (PGP) is an encryption standard used for implementing asymmetric encryption.