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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.

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

Cisco Talos tracks UAT-10027 targeting U.S. education and healthcare with Dohdoor DoH-based backdoor and Cobalt Strike ...

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 ...

Who is knocking at the Dohdoor? Digital intruders with possible links to North Korea have been infecting US education and ...

Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right now.

Is that CAPTCHA you just encountered real? Find out how fake CAPTCHAs are installing hidden malware and how to stay safe.

The security researchers from Zscaler ThreatLabz have also discovered five new tools deployed by the North Korean hacking ...

If Python is not working in Visual Studio Code Terminal, you receive Python is not recognized, or the script fails to execute ...

Amazon is warning that a Russian-speaking hacker used multiple generative AI services as part of a campaign that breached more than 600 FortiGate firewalls across 55 countries in five weeks.