It sounds like the contractor is the problem. He leaked the info to a website and he was the one responsible for keeping it private. He thinks he is pointing out a problem with Microsoft but he is the problem. No system is secure if the actual people tasked with keeping the info private don't honor their contracts.
Using real humans to correct machines - of course this has to happen. Zero surprise. Anonymized is the only way to do it and limit any way of connecting to real people but nothing unusual or odd about this.
Using real humans to correct machines - of course this has to happen. Zero surprise. Anonymized is the only way to do it and limit any way of connecting to real people but nothing unusual or odd about this.