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TH
CRITICAL
Threat Intel
North Korean APT Bridges Air Gaps with New Malware Suite
North Korean threat actors utilize malicious LNK files and specialized USB propagation tools to compromise air-gapped networks. Analysis and defense guide.
Runtime Rebel Intel
4 min read·Mar 2, 2026
HIGH
Threat Intel
ScarCruft Ruby Jumper Campaign Targets Air-Gapped Networks
North Korean threat actor ScarCruft (APT37) deploys Ruby Jumper campaign using Zoho WorkDrive for C2 and USB malware to target air-gapped environments.
Runtime Rebel Intel
4 min read·Feb 27, 2026