Level 3 Adds New Distributed Denial of Service Mitigation Offering, with Approximately 4.5 Terabits per Second Attack-Ingest Capacities, to Suite of Global Security Services /PRNewswire/ --i 1 2As the fight for a safe and secure Internet intensifies around the world, Level 3 Communications, Inc. enhances its managed security portfolio with a new tool for enterprises looking to safeguard their critical data and systems, Level 3sm DDoS Mitigation Service. The differentiated service provides protection closer to the network edge, saving customers time and money when it matters most i 1 2 in the face of an attack.