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Period tracker Stardust shares users’ health data with analytics firm, says Mozilla research
Mozilla research on period tracker applications revealed significant privacy disparities among tested apps, with one application sharing users' health data with an analytics firm while another demonstrated strong privacy protections. The findings highlight inconsistent data handling practices in the period tracking app ecosystem.
Why it matters: Users of period tracking apps face unexpected data sharing to third parties; practitioners should assess which apps in their organization or recommendations contain these privacy gaps and consider privacy-first alternatives.
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- First seen by Cybersecurity Tracker