Australian Information Security Manual ISM-0306: If an appropriately cleared technician is not used to undertake maintenance or repairs of

If an appropriately cleared technician is not used to undertake maintenance or repairs of IT equipment, the technician is escorted by someone who: - is appropriately cleared and briefed - takes due care to ensure that data is not disclosed - takes all responsible measures to ensure the integrity of the IT equipment - has the authority to direct the technician - is sufficiently familiar with the IT equipment to understand the work being performed.