However, default erasure process is still failing to irretrievably erase the data, which allowed us to retrieve the user data directly from the NAND flash bypassing the controller.
#Mac data recovery guru serial android
The results show that Android Factory Reset logical sanitization has generally improved making user data more difficult to recover. In addition, we have evaluated the robustness of in-built Android sanitization against attacks of different degree of sophistication including chip-level data read on one of the best-selling smartphones in history Samsung Galaxy S4 (80 Million units). Our study has brought this line of research to the new level and investigated the changes of Factory Reset effectiveness over the past years. However, despite frequent updates of Android OS, there was no further research conducted to reexamine Factory Reset reliability on newer devices and OSes. The study proved that default erasure process is failing to securely sanitize the storage on Android versions from Gingerbread to Jelly Bean (v.2.3-4.3). That has been the first comprehensive study and probably one of the most recognized works on evaluation of Android Factory Reset performance. Factory Reset, being default data wipe solution offered by Android, has already been challenged by researchers from University of Cambridge back in 2015. Data security on disposed devices is one of the key enablers for device lifetime extension and, consequently, for making electronics more sustainable. Considering the amount of data stored on smartphones, it is critical that none of the user information is retrievable in case of device resell or disposition.
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