SecurityWeek

North Korean APT Targets Air-Gapped Systems in Recent Campaign

North Korean hacking group APT37 was seen deploying new implants, backdoors, and other tools in attacks targeting air-gapped ...
Security Boulevard

APT37 Adds New Capabilities for Air-Gapped Networks

IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...
The Hacker News

ScarCruft Uses Zoho WorkDrive and USB Malware to Breach Air-Gapped Networks

North Korea-linked ScarCruft’s Ruby Jumper uses Zoho WorkDrive C2 and USB malware to breach air-gapped systems for ...

APT37 hackers use new malware to breach air-gapped networks

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 Hacker News

Malicious NuGet Packages Stole ASP.NET Data; npm Package Dropped Malware

Four rogue NuGet packages and one npm package stole ASP.NET Identity data, deployed C2 backdoors, and reached over 50,000 ...
Security Boulevard

What to Know About the Notepad++ Supply-Chain Attack

The cybersecurity community is still grappling with a sobering realization: one of the most ubiquitous tools in the developer’s toolkit, Notepad++, was hiding a critical vulnerability for over six ...