Blackphone super-secure communications app had serious flaw

The SilentText secure messaging application bundled with Blackphone had a serious vulnerability that would have allowed attackers to decrypt messages, read contact information, gather location data and even execute malicious code on the phone.

The bug, which was fixed before it was disclosed publicly Tuesday, shows that even devices built with security and privacy in mind can have serious flaws that compromise their defenses.

Blackphone is a high-end smartphone that runs a modified and locked-down version of Android called PrivatOS. It comes preloaded with apps for end-to-end encrypted text messaging, audio calling and video conferencing, as well as secure online storage.

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