Which Two Characteristics of Messenger Protocols Make Data Exfiltration Difficult

Multiple Choice

Which two characteristics of messenger protocols make data exfiltration difficult to detect and prevent? (Choose two.)

A) Messenger applications cannot be segmented with standard network controls
B) Malware infects the messenger application on the user endpoint to send company data
C) Traffic is encrypted, which prevents visibility on firewalls and IPS systems
D) An exposed API for the messaging platform is used to send large amounts of data
E) Outgoing traffic is allowed so users can communicate with outside organizations