You can do it by pushing the switch at the left side of the card to the lock position.

Write-protect data: if your SD card is write-protected, the data in it will be unable to be changed or deleted by anyone, including yourself.

Keep your SD card in a secure location: besides avoiding physical damages, you should also keep it in a secure location (like a locked cabinet or a safe) to prevent your SD card from being stolen if there is any personal or precious data in it.

Once it’s physically broken, the data in your SD card will be unable to be recovered by most data recovery applications.

Avoid Physical Damages: the small SD card is susceptible to physical damages and you need to keep it away from water, fire and any heavy stuff whenever it is not in use.

Here are some easy ways you can take into consideration according to your needs: So, you had better take some precautions to protect your data. Although you may benefit a lot from SD card, increasing risks are coming towards you, too. It has been quite popular for the small and lightweight features since it was developed and marketed in 1999. These devices use SD card to store photos, videos, audio files, applications and other files. It is designed for portable devices, such as digital cameras, camcorders, video game consoles and smartphones. SD card, introduced by SanDisk, Matsushita Electric and Toshiba, is a non-volatile memory card.

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