SCOOP: ICE's Homeland Security Investigation signed a $3 million contract with Magnet Forensics, which makes phone hacking tech for law enforcement agencies that is "essential to mission of protecting national security & public." Magnet Forensics makes the phone unlocking system Graykey. We also found other recent contracts for the same technology for HSI in Charlotte and Detroit.
Everyone has their own threat models, so I don't want to make broad, sweeping recommendations here, but if you use Protonmail to talk to sources, you should read this story. The way Protonmail handled this whole thing is quite bad. No transparency, dismissing the story as being "blown out of proportion."