image credit: pxhere
Hackers who unleashed DDoS attacks (Distributed Denial of Service) attacks on a state-level voter registration and voter information website in the US used a technique called Pseudo Random Subdomain Attack (PRSD,) which is a form of attack that uses DNS queries for nonexistent and randomized subdomains, according to the FBI.
“The FBI received reporting indicating a state-level voter registration and voter information website received anomalous Domain Name System (DNS) server requests consistent with a Pseudo Random Subdomain (PRSD) attack,” notes a Private Industry Notification sent by the FBI and published by BleepingComputer.
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