NetScout Systems, Inc. is a provier of integrated network performance management solutions. NetScout is known for their packet Sniffer® and nGenius® packet flow recorder products. They are headquartered in Westford, Massachusetts and have approximately 800 employees and offices across the globe. NetScout serves the enterprise community, government agencies and telecommunications service providers. NetScout is listed on the New York Stock Exchange with a symbol of NTCT .