I think the least realistic part of '90s cyberpunk was all the hacking on VR with literal object-orientation instead of on pocket supercomputers running LineageOS with a tmux shell.
This is how I plan to do it in my universes. All the fancy VR is going to end up locked down and proprietary, but they're going to have a 10,000 year old OpenSSH version with a weak default password.
Enter: tmux. Found on an ancient probe from the lost homeworld, key to the resistance.