Secure Data Erasure is a software-based method of permanently erasing sensitive, confidential data on a device to make it irrecoverable while ensuring that the device is still reusable. Data erasure is employed when data is no longer needed, when storage devices are being repurposed, recycled, or discarded, or when there is a compliance requirement with data protection regulations. Data erasure or Data wiping ensures that unauthorized individuals cannot access sensitive or personal information, protecting data privacy, preventing data breaches, and reducing the risk of identity theft or other forms of data misuse. Unlike other methods of data destruction, it doesn't lead to device destruction and thus is environmentally friendly. It also reduces the cost burden of device replacement. Data erasure, aka overwriting, involves overwriting sensitive data with a series of 0s and 1s (or pseudo-random digits), making it unreadable and irrecoverable.
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