TANZANIA, Jan. 26 -- Facebook acquired WhatsApp a few years ago. The marriage between these two social media titans sent jitters among some of WhatsApp's two billion users. They are concerned that the security of their content may be compromised.
And there is a good precedent: Whereas WhatsApp has been one of the most secure messaging apps in the market, Facebook is not. Its security is patchy.
Remain protected
Facebook made it clear that WhatsApp messages will remain protected. Many WhatsApp users, however, are not taking chances. They are moving to the little-known but watertight app called Signal.
Signal is free. It works just like WhatsApp, Facebook Messenger, iMessage, and SMS. Its users can send texts or make phone or video calls ...