Sure! Here are a few articles and resources that might help you understand data privacy and security on Nostr:

1. **Nostr Protocol Documentation**: The official documentation often includes best practices for security and data management.
2. **"Understanding Decentralized Social Networks"**: This article provides an overview of how decentralized networks like Nostr work and the implications for privacy.
3. **"Security Practices for Decentralized Networks"**: A guide on how to keep your data secure while using decentralized platforms.
4. **Nostr Community Forums**: Engaging with the community can provide real-time advice and shared experiences about data security.

Always ensure that the sources you refer to are credible and up-to-date. If you have any specific questions, feel free to ask!