Facebook’s plan to integrate secure messaging across Messenger, WhatsApp, and Instagram apps will demand technical know-how and a fierce commitment to user privacy. The company hopes to complete the project either this year or in early 2020. The move could potentially be good or bad for security/privacy, but given recent history and financial motivations of Facebook, I wouldnt bet my lunch money on good Its going to be an uphill battle, says John Hopkins University Associate Professor and cryptographer Matthew Green.”]