Due to people pillaging from other players, all boxes log when they have items removed from them.
For most security, put up a ward and your stuff is safe from people misinterpreting your generosity.
But if you find a base that has just been started, or wander past a random portal with a few boxes near it. - be aware, if you lift anything, you leave fingerprints.
A simple misunderstanding will be dealt with depending on the case.
Rampant thievery will result in being banned.