Dive Brief:More companies are allowing the use of "ephemeral messaging apps" to protect sensitive internal communication in the workplace, CNN reports. Messages on apps like Wickr, Vaporstream and Telegram are secure from breaches and can be instantly and permanently deleted. Wickr messages are encrypted and not stored on servers, for example.The apps are more secure than email messaging, which is easily and frequently targeted by hackers, but destroying messages immediately after sending and receiving them could violate the law. Some state and federal laws require companies to retain health and employment messages and records forSEE DETAILS