Which action is best suited for ensuring that sensitive data on a device is irrecoverable?

To ensure that sensitive data on a device is irrecoverable, utilizing data destruction software is the best approach. This type of software is designed specifically to overwrite existing data with patterns, ensuring that it cannot be retrieved through conventional data recovery methods. The process typically involves multiple passes of overwriting and adheres to various data sanitization standards, making it a robust solution for organizations that need to secure sensitive information.

Other methods like formatting the drive or performing a factory reset do not provide adequate security regarding data recovery. Normal formatting may only remove the file allocation table, while the data itself remains on the drive and can potentially be recovered with specialized tools. Similarly, a factory reset will reset the device to its original state but may leave personal data intact and potentially accessible. Encrypting data is valuable for protecting information while it is still stored on the device, but it won't make data irrecoverable once the encryption keys are lost or the device is disposed of. Therefore, employing dedicated data destruction software is crucial for ensuring that sensitive data cannot be recovered.