Bridging the Gap: North Korean APT37 Deploys ‘Ruby Jumper’ to Infiltrate Isolated Air-Gapped Networks Malware Bridging the Gap: North Korean APT37 Deploys ‘Ruby Jumper’ to Infiltrate Isolated Air-Gapped Networks Ddos March 3, 2026 0 In a sophisticated escalation of cyber espionage, the North Korean-linked threat group APT37 (also known as ScarCruft... Read More Read more about Bridging the Gap: North Korean APT37 Deploys ‘Ruby Jumper’ to Infiltrate Isolated Air-Gapped Networks