A team of researchers from Northeastern University and UC Santa Barbara examined over 17,000 Android apps, and revealed a number of alarming privacy risks. 
Elleen Pan and Christo Wilson were members of the research team, and they join us to share what they found. 
The research is titled Panoptispy: Characterizing Audio and Video Exfiltration from Android Applications. It can be found here:
https://recon.meddle.mobi/papers/panoptispy18pets.pdf