SentinelOne has identified a new ransomware group, NullBulge, which is targeting AI and gaming entities. This group is noted for its shift in the ransomware ecosystem, adopting hacktivist causes for financial gain. NullBulge employs poisoning-the-well attacks to hit AI enthusiasts, game modders, and large companies like Disney. The group claims to rebel against AI while deploying ransomware. The identification of NullBulge's activities was highlighted by Jim Walter.