How can I ensure the security of my data when using a secure digital (SDHC/SDXC) card?

To ensure the security of your data when using a secure digital (SDHC/SDXC) card, you can encrypt the data stored on the card using encryption software or built-in encryption features. Additionally, you should keep the card in a safe and secure location when not in use and avoid sharing it with others to prevent unauthorized access to your data. Regularly backing up your data and keeping your devices and software up to date can also help protect your information.