Haystax Technology, a portfolio company of The Edgewater Funds, has acquired security software provider Digital Sandbox. Based in McLean, VA, Digital Sandbox provides risk and threat analysis and monitoring software in the national security and homeland security fields. Its commercial software product suite monitors risks from natural and man-made threats, which federal, state and local agencies use to direct resources based on threat and risk priorities. The acquisition extends Haystax's capabilities and products in public safety, law enforcement and corporate security markets.