{"id":234534,"date":"2026-04-03T03:20:33","date_gmt":"2026-04-03T08:20:33","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/04\/apt37-hackers-use-new-malware-to-breach-air-gapped-networks"},"modified":"2026-04-03T03:20:33","modified_gmt":"2026-04-03T08:20:33","slug":"apt37-hackers-use-new-malware-to-breach-air-gapped-networks","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/04\/apt37-hackers-use-new-malware-to-breach-air-gapped-networks","title":{"rendered":"APT37 hackers use new malware to breach air-gapped networks"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/apt37-hackers-use-new-malware-to-breach-air-gapped-networks.jpg\"><\/a><\/p>\n<p>North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.<\/p>\n<p>The malicious campaign has been named Ruby Jumper and is attributed to the state-backed group APT37, also known as ScarCruft, Ricochet Chollima, and InkySquid.<\/p>\n<p>Air-gapped computers are disconnected from external networks, especially the public internet. Physical isolation is achieved at the hardware level by removing all connectivity (Wi-Fi, Bluetooth, Ethernet), while logical segregation relies on various software-defined controls, like VLANs and firewalls.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance. The malicious campaign has been named Ruby Jumper and is attributed to the state-backed group APT37, also known as ScarCruft, Ricochet Chollima, and InkySquid. Air-gapped computers are disconnected from external networks, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,418,1511],"tags":[],"class_list":["post-234534","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode","category-internet","category-surveillance"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/234534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=234534"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/234534\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=234534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=234534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=234534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}