Frequency
2
occurrences
First Seen
February 27, 2026
Last Seen
February 27, 2026
Related Threat Clusters
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APT37 Hackers Deploy Custom Malware Against Air-Gapped Systems
North Korean threat group APT37 has initiated a campaign named Ruby Jumper, utilizing new custom malware to target air-gapped systems, which are typically isolated from the internet. This marks a significant advancement…
10 articles · Updated February 27, 2026
Recent Intelligence Reports
- APT37 hackers use new malware to breach air — Bleepingcomputer · February 27, 2026
- North Korean APT37 Hackers Leverages Novel Malware to Infect Air‑Gapped Systems — Cybersecuritynews · February 27, 2026