US Federal Bureau of Investigation (FBI) warned of a potential Distributed Denial of Service (DDoS) attack that targeted a state-level voter registration and information site in a Private Industry Notification (PIN) The FBI says that the state voter registration website was not affected by the DDoS siege due to properly set up rate-limiting on the target’s DNS servers. The FBI also provided potential targets with a series of precautionary measures to be taken to successfully mitigate DDoS attacks including a DDoS mitigation strategy.
Source: https://www.bleepingcomputer.com/news/security/fbi-warns-of-ddos-attack-on-state-voter-registration-site/