The data overwrite layer makes deleted data permanently unrecoverable from phone memory. After erasing the user data from phone memory, it overwrites deleted data locations by three overwrite phases, zeros, ones, and random characters. It has two layers, data erasing and data overwriting. The proposed application is based on the data overwrite technique. This research work proposed and developed an efficient data wiping application for Android phones according to the National Institute of Standard and Technology (NIST) SP800-88 Standard of USA.
Cyber thefts are particularly perceptive when recovering confidential information from user phones after users have deleted/erased their data from phone memory using the factory restore or by using data wiping applications available on Google Play Store and Internet. Identity theft and financial fraud are happening very frequently, and data privacy becomes one of the biggest challenges for Android phone users.
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