As with any software, no system is 100% immune. A sophisticated attacker with physical access could:
The entirety of / is a compressed squashfs image. No user – not even root – can modify system binaries, scripts, or configurations permanently without a deliberate remastering process. This defeats ransomware and persistent rootkits. Porteus-Kiosk-5.5.0-x86-64.iso
A retail chain with 500 stores deploys price-check kiosks. Their internal dashboard runs on an internal IP with a self-signed certificate. By remastering once, they distribute a single ISO to all stores, and every kiosk boots directly to the corporate price-check page with the certificate already trusted. As with any software, no system is 100% immune
: 1 GB of space (2 GB if you enable persistent storage). This defeats ransomware and persistent rootkits
The true power of Porteus-Kiosk-5.5.0-x86-64.iso lies in the ability to – i.e., create a custom ISO with your settings, certificates, and branding pre-injected.
A new feature that allows the system to automatically restart if a failure occurs, making it ideal for unattended digital signage.