DNS Security Defenses Technology Threat Reports 
eSecurity Planet
MAY 2, 2024
50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.
SecureList
APRIL 27, 2021
Our latest reports focus on the changes the threat actor made to the September and November versions of its backdoor. Although Lyceum still prefers taking advantage of DNS tunneling, it appears to have replaced the previously documented.NET payload with a new C++ backdoor and a PowerShell script that serve the same purpose.
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