Snowden-backed Haven app alerts users of "evil maid" and other physical attacks using a phone's accelerometers, cameras, microphones, and light sensor (Andy Greenberg/Wired)

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Andy Greenberg / Wired:
Snowden-backed Haven app alerts users of “evil maid” and other physical attacks using a phone's accelerometers, cameras, microphones, and light sensor  —  YOUR DIGITAL SECURITY, any sufficiently paranoid person will remind you, is only as good as your physical security.