Security Concerns in Popular Cloud Storage Services
Cheng‐Kang Chu, Wentao Zhu, Jin Han, Joseph K. Liu, Jia Hao Xu, Jianying Zhou · IEEE Pervasive Computing · 2013
The authors provide a systematic security analysis on the sharing methods of three major cloud storage and synchronization services: Dropbox, Google Drive, and Microsoft SkyDrive. They show that all three services have security weaknesses that may result in data leakage without users' awareness.