SD cards can be set permanently read only[1]. A malicious party could still swap it with a different SD card though, but that's true of any media. [1]: https:/

SD cards can be set permanently read only[1]. A malicious party could still swap it with a different SD card though, but that's true of any media. [1]: https://hackaday.com/2013/11/12/keep-your-sd-cards-data-safe-with-the-sd-locker/ https://hackaday.com/2013/11/12/keep-your-sd-cards-data-safe...