On average, DNSSEC reflection can transform an 80-byte query into a 2,313-byte response, an amplification factor of nearly 30 times, which can easily cause a network service outage during a DDoS attack, resulting in lost revenue and data breaches, according to Neustar. DNSSEC was designed to provide integrity and authentication to DNS, which it accomplishes with complex digital signatures and key exchanges. As a result, when a DNS record is transferred to DNSSEC, an extraordinary … More ?

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Subverting protection into DDoS attacks