Employee use of consumer-oriented messaging-and-communications apps like WeChat and WhatsApp, in addition to personal devices for making voice calls, is a source of vulnerability and risk for the enterprise. Simply having end-to-end encryption with a consumer-encrypted chat app is insufficient, particularly when it comes to compliance requirements. This report examines security controls available in enterprise offerings for secure messaging and communications, and highlights industry-specific and general-purpose use cases, to help S&R pros protect their data.