Microsoft launches $250,000 contest for researchers who develop defensive security technologies that deal with entire classes of exploits. The total cash awards for Microsoft’s “BlueHat Prize” contest easily dwarfs any bug bounty that’s been given by rivals. Microsoft announced the contest as this year’s Black Hat security conference got under way today in Las Vegas. Entries must be received by email to bluehatprize@.com between August 3rd 2011 to midnight Pacific Time on April 1st 2012. The winning entry will be announced at Black Hat USA 2012.
Source: https://thehackernews.com/2011/08/microsoft-bluehat-security-contest-mega.html