HelloKitty ransomware gang expend their extortion tactics to DDoS attacks

On Thursday 28th of October 2021, the United States Federal Bureau of Investigation (FBI) released a TLP: WHITE flash alert where they warned that threat actors behind the Hello Kitty/FiveHands ransomware are now using distributed denial-of-service (DDoS) attacks as a measure to apply pressure to their victims who does not respond quickly to their demands or does not pay the ransom.

This flash alert was released in coordination with CISA with the goal of providing key cyber threat information to help security professionals and organisations to detect and counter ransomware attack attempts from the Hello Kitty/FiveHands ransomware gang.