Things like that have been kind of solved in the past, e.g. dual custody locks that require two keys to open or seals that get destroyed when a key is inserted. The Cold War era is so back, baby!
You're not going to use that kind of security for a government database you'll be accessing with great regularity. You might not even have time to shut the vault door before you need to open it again. Limiting access to a separate computer network within the tax office headquarters is already bad enough.
Things like that have been kind of solved in the past, e.g. dual custody locks that require two keys to open or seals that get destroyed when a key is inserted. The Cold War era is so back, baby!
You're not going to use that kind of security for a government database you'll be accessing with great regularity. You might not even have time to shut the vault door before you need to open it again. Limiting access to a separate computer network within the tax office headquarters is already bad enough.