Bitdefender researchers have discovered a surge in LummaStealer activity, showing how one of the world's most prolific information-stealing malware operations managed to survive despite being almost brought down by law enforcement less than a year ago. LummaStealer is a highly scalable information-stealing threat with a long history, having operated under a malware-as-a-service model since it appeared on the scene in late 2022. The threat quickly evolved into one of the most widely deployed in