Selling an old phone or laptop is easy, but do you know how big a risk it can be for you? Actually, old phones, laptops or hard disks contain the necessary data and many people hand it over to others without having to delete or clean it. This data can not only dent your privacy but also bank-related data may be leaked at times.
Antivirus software maker Kaspersky Labs had said in its research that data of computer/phone users is sold in the dark web. In view of these threats, it is important that we know how to keep our information secure.
Clean the phone like this
The smartphone is no longer limited to contacts and photos. Rather, many apps even save your home address and bank card information. Even the phone has many important documents like PAN card, passport and license photo, which can cause a lot of damage after reaching the wrong hand.
Factory reset the phone
For this, go to the settings of the phone, then click on the option with re-set. In it, click on the option of factory re-set. Keep in mind that the options in the phones of different companies may change. Cybersecurity research firm Kesparki Lab had claimed in its research that digital data of people on the dark web can be sold for less than Rs 3,500.
Delete old data from laptop
You cannot protect your data by deleting the entire data of the old laptop before selling it, because that data can be retrieved with the recovery software. In such a situation, 'file share shredder' software will be helpful. It can be downloaded for free by visiting http://www.fileshredder.org/. Apart from this, more software is available on the Internet.
- After installing this software a small window will open.
- There will be three options like Ad Files, Add Folder and Shared Free Disk Space.
To delete all the data present on the laptop, the third option would be to choose 'Shared Free Disk Space'.
- This will permanently save data on the hard disk and other locations.
- Keep in mind that this process takes a little time.
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