1. AG, p.I.: pCloud – the most secure cloud storage. https://www.pcloud.com/
2. Albrecht, M.R., Backendal, M., Coppola, D., Paterson, K.G.: Share with care: breaking E2EE in Nextcloud. Cryptology ePrint Archive, Paper 2024/546 (2024). https://eprint.iacr.org/2024/546
3. Albrecht, M.R., Haller, M., Mareková, L., Paterson, K.G.: Caveat implementor! Key recovery attacks on MEGA. In: Hazay, C., Stam, M. (eds.) EUROCRYPT 2023, Part V. LNCS, vol. 14008, pp. 190–218. Springer, Cham (2023). https://doi.org/10.1007/978-3-031-30589-4_7
4. Apple: Advanced data protection for iCloud (2022). https://support.apple.com/guide/security/advanced-data-protection-for-icloud-sec973254c5f/web. Accessed 10 Feb 2024
5. Backendal, M., Davis, H., Günther, F., Haller, M., Paterson, K.G.: A formal treatment of end-to-end encrypted cloud storage. Cryptology ePrint Archive (2024). https://eprint.iacr.org/2024/989