Univ. of New Haven Cyber Lab: WhatsApp Collects Phone Numbers, Call Duration, and More

Posted by timothy on Tuesday October 27, 2015 @05:51AM from the mere-metadata dept.

An anonymous reader writes: A recent network forensic examination of popular messaging service WhatsApp at the University of New Haven's Cyber Forensics Research & Education Group is offering new details on the data that can be collected from the app's network from its new calling feature: such as phone numbers and phone call duration, and highlights areas for future research and study. The researchers provided an outline of the WhatsApp messaging protocol from a networking perspective, making it possible to explore and study WhatsApp network communications. (Also noted at The Register.)

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Re:it's a messaging app! by Flavianoep · 2015-10-27 07:02 · Score: 3, Informative

Because in Brazil, a each SMS message (about 150B) costs about US$ 0,13, but for about US$ 0,20 money you can use 50MB of data for a day. People uses Whatsapp here because it's cheaper.

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