The US is investigating how the 764 group is making use of new tactics to carry out their operations.

US federal law enforcement agencies have begun investigating how the 764 group has adopted new tactics to enhance their operations. The 764 group has been a known source of child abuse material on the internet, but it is now making use of tactics seen in traditional cyber crime to step up their activities. The group and other affiliated groups have been the focus of increased efforts by law enforcement to disrupt their operations.

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https://cyberscoop.com/the-com-764-cybercrime-violent-crime-fbi-intellignce-report/