<div dir="ltr"><div>Hi everyone,</div><div>
<p>I’m currently working on an embedded device built with Buildroot and using NetworkManager 1.46. Because my device relies on an SD card for offline storage, I’m concerned about someone physically removing the card and having easy access to plaintext Wi-Fi passwords in the system-connections files. Although I’ve already tightened file permissions, this doesn’t fully mitigate the risk of direct file access once the card is removed.</p>
<p>Could anyone point me to threads regarding more secure approaches to storing Wi-Fi credentials or suggest recommended solutions—whether built-in features or external plugins—for encrypting, salting, or otherwise obscuring Wi-Fi passwords in NetworkManager on embedded devices? Any details or best practices would be greatly appreciated.</p>
<p>Thank you in advance!</p>
<p>Best regards,<br>Juan</p></div><div><br></div></div>