North Korean APT37 Hackers Leverages Novel Malware to Infect Air‑Gapped Systems

North Korea-linked threat group APT37 has launched a sophisticated new campaign using a fresh set of custom malware tools specifically designed to reach computers that are not connected to the internet — a type of system long considered among the most secure in the world. The campaign, dubbed Ruby Jumper, marks a sharp escalation in the […]

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