What extra layers of protection should I add for better security on Qubes OS 4.3?

[newqube]

The best hardening I’ve seen on the forum. God-like level of protection

Qubes OS live mode. dom0 in RAM. Non-persistent Boot. RAM-Wipe. Protection against forensics. Tails mode. Hardening dom0. Root read‑only. Paranoid Security. Ephemeral Encryption

This script adds two new options to the GRUB menu for safely launching live modes. You will get two ways to launch dom0 in RAM for protection against forensics: Qubes Overlay-Live Mode – dom0 in tmpfs overlay Qubes Zram-Live Mode – dom0 in zram block device [g] This script also adds the Ram‑Wipe module to wipe memory after shutdown. This tool is used by Tails and Kicksecure / Whonix to wipe memory for protection against forensics and cold boot…