While the Redmondians won't talk turkey, they are confirming that swarms of Bluehat "ethical" hackers have descended on campus this week for the third series of invitation-only security Bluehat briefings. As with previous Bluehat events, "white hat" hackers are teamed wtih Microsoft employees to break into and expose security weaknesses in the company's products. Hundreds of Microsoft developers and security experts typically attend the Bluehat events.