"I got it out of your vault for you, Harry, because it's taking about five hours for the public to get to their gold at the moment, the goblins have tightened security so much. Two days ago Arkie Philpott had a Probity Probe stuck up his... Well, trust me, this way's easier."
-- Bill Weasley (HBP6)
Arkie Phillpott was a wizard who ran afoul of a Probity Probe when he tried to get gold from his vault. This was due to the goblins tightened security at Gringotts after Voldemort returned (HBP6).