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Privacy scrutiny of period‑tracking apps

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2026-08-04 11:14 UTC → 2026-08-08 11:24 UTC · added removed

In July 2026 Mozilla, together with academic researchers, the Mozilla Foundation released a report evaluating the data‑handling practices technical audit of six popular period‑tracking applications. The assessment found varied apps, finding a range of privacy scores, with some scores. Some apps sharing shared detailed reproductive‑health information data with third‑party services not disclosed in their policies, undisclosed third parties, while others kept data locally. The report warned that such data information could be used in legal actions subpoenaed following the 2022 overturn of U.S. Supreme Court decision overturning Roe v. Wade. A few weeks later, Later that month the Dutch data‑protection authority (Autoriteit Persoonsgegevens) issued a public warning to women in the Netherlands Netherlands, noting that about the risks a quarter of Dutch women use menstrual and or fertility‑tracking apps. It highlighted the collection of highly sensitive health apps that collect health, fertility and sexual‑life data, information classified as special personal data. The regulator highlighted the lack of transparency about processing and sharing, processing, the risk of data being shared with advertising partners, and the potential for hacking or extortion. The regulator signaled extortion, and signalled a possible investigation, noting investigation after a recent complaint against about the Flo app, which is widely used in app. In early August the country. Together, authority reiterated its caution, emphasizing the technical audit legal classification of the data and the regulatory alert illustrate growing vulnerability of users if information reaches advertisers or malicious actors. A follow‑up Mozilla study on 7 August detailed the data‑sharing practices of the six apps: Stardust transmitted extensive health details to the analytics service RudderStack, and all apps sent basic identifiers to advertising platforms operated by Google, Meta, Microsoft and TikTok. Euki received the highest privacy rating, sharing virtually no data. Researchers again warned that post‑Roe v. Wade legal environments could expose users to subpoenas, underscoring ongoing international concern over the privacy and security of reproductive‑health tracking tools.

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  1. 2026-08-08 11:24 UTC Privacy scrutiny of period‑tracking apps
  2. 2026-08-04 11:14 UTC Privacy scrutiny of period‑tracking apps

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