Absolutely it's possible, but as it was a shared computer, it's also likely to be one of the oldest in the fleet. It's also likely to be one that no one bothers

Absolutely it's possible, but as it was a shared computer, it's also likely to be one of the oldest in the fleet. It's also likely to be one that no one bothers to ask for specific attention to. As a result, it's likely that no full disk encryption was ever applied.