That means if the phone backs its contacts up to the cloud, some sensitive details could be leaked.
It integrates a phone's existing contacts for convenience, for instance, but requires that a number be added to a phone's contact list before it can be called. Signal's popularity grew in part because it has long made certain privacy tradeoffs to make the app more usable. Signal, a Dead-Easy Phone Crypto App, Comes to the Desktop Arrow "We’re constantly focused on continuing to refine it and add features and functionality that we think people will love." "We want Signal to be a joy to use," says Moxie Marlinspike, Open Whisper Systems' founder. For now, anyone who receives the update can choose activate those new features in the "advanced" menu under Signal's settings. On Tuesday, Signal's creators at the non-profit Open Whisper Systems announced a beta version of the update that, in addition to video calling, adds the ability to answer calls from a locked screen, and what they promise will be better call quality. A Signal update gradually rolling out now upgrades the calling features and adds video, too-but might require its most privacy-sensitive users to take an extra step to protect themselves. It lacks video, often drops calls, and doesn't always integrate with your phone's existing features. Even as the encryption app Signal became the go-to private communications channel for activists, journalists, politicians, and more, its encrypted calling feature remained less than perfect.
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