But Mueller repeatedly also lamented what he couldn’t learn — because encrypted communications had put key conversations beyond his reach. Even the popular messaging apps Apple builds into iPhones — iMessage and FaceTime — are encrypted, making them far more secure than ordinary phone texting. "Every group working on election security is recommending that presidential campaigns use encrypted messaging,” said Alex Stamos, Facebook's former chief security officer. Mueller does name WhatsApp, which is owned by Facebook, in describing the role of encrypted technologies in one episode. Democrats have argued that Kushner’s encrypted messaging could obstruct the committee’s investigation into alleged violations of federal records laws.
Source: Washington Post April 19, 2019 15:31 UTC