Privacy Blog

Insights from Flo's privacy and security experts. Learn how we build privacy-first features, understand emerging privacy technologies, and get practical tips for protecting your health data.

Welcome to the Flo Privacy Blog, where our privacy team shares technical insights, product development stories, and practical guidance on protecting your health data.

What you'll find here:

• Engineering deep dives - Technical details about how we build privacy-preserving features like Anonymous Mode, implement post-quantum cryptography, and architect secure systems.
• Product insights - Behind-the-scenes stories about how we design privacy-first features, balance personalization with privacy, and build trust into every product decision.
• User guides - Practical advice for understanding your privacy rights, evaluating app privacy policies, and protecting your reproductive health data in an uncertain landscape.
• Industry analysis - Our perspective on privacy regulations, emerging threats, and the state of privacy in femtech.

Explore by Topic

Engineering

Technical deep dives into privacy-preserving technologies, security architecture, and engineering challenges.

Topics include:

• Anonymous Mode architecture
• Post-quantum cryptography implementation
• OHTTP protocol deep dive
• Encryption best practices
• Open-source privacy tools

View all Engineering posts 

Product

Stories about building privacy-first features, product design decisions, and balancing user experience with privacy protection.

Topics include:

• Privacy by design principles
• Feature development stories
• UX for privacy controls
• Balancing personalization and privacy
• Product decision-making

View all Product posts 

Insights

Practical guides, user education, industry trends, and advice for protecting your reproductive health data.

Topics include:

• Understanding your privacy rights
• How to evaluate app privacy policies
• GDPR and CCPA explained
• Privacy tips for reproductive health data
• Industry analysis and trends

View all Insights posts 

Explore More

Privacy Portal

Learn about Flo's privacy practices:

• Your Data & Privacy
• Anonymous Mode 
• Certifications & Audits 
• Meet Our Privacy Team 
• Our Privacy Journey 
• FAQ 

Featured Content

In-depth interviews:
In Conversation with Sue Khan: Femtech and Data Privacy 

Technical whitepapers:
Anonymous Mode Technical Whitepaper