We used to do that in industrial automation. If you make any changes to the PLC / HMI / SCADA software, burn a DVD with what you changed and leave it next to the rack. No danger of bringing in viruses on a USB stick (the whole system was air-gapped) and you’d still have a backup available.
We used to do that in industrial automation. If you make any changes to the PLC / HMI / SCADA software, burn a DVD with what you changed and leave it next to the rack. No danger of bringing in viruses on a USB stick (the whole system was air-gapped) and you’d still have a backup available.