This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Victoria Craig: Welcome to Tech News Briefing. It's Wednesday, March 26th. I'm ...

Add Yahoo as a preferred source to see more of our stories on Google. Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its robust ...