Shield NS53 protects on-premises and hybrid DNS infrastructure from resource exhaustion attacks CAMBRIDGE, Mass., April 9, 2024 /PRNewswire/ -- Akamai Technologies, Inc. (NASDAQ: AKAM), the cloud company that powers and protects life online, today announced the launch of Akamai Shield NS53, a product that protects on-premises (on-prem) Domain Name System (DNS) infrastructure from resource exhaustion attacks. These attacks overwhelm servers to the point that they can no longer respond to valid DNS queries. T ...