Microsoft testing Windows 11 batch file security improvements

Microsoft is rolling out new Windows 11 Insider Preview builds that improve security and performance during batch file or CMD script execution. As Microsoft explained today, IT administrators can now enable a more secure processing mode that prevents batch files from being modified while they run by adding the LockBatchFilesInUse registry value under HKEY_LOCAL_MACHINE\Software\Microsoft\Command Processor. […]

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 malicious campaign has been named Ruby Jumper and is attributed to the state-backed group APT37, also known as ScarCruft, Ricochet Chollima, and InkySquid. Air-gapped computers are disconnected from external networks, especially […]

CISA warns that RESURGE malware can be dormant on Ivanti devices

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released new details about RESURGE, a malicious implant used in zero-day attacks exploiting CVE-2025-0282 to breach Ivanti Connect Secure devices. The update focuses on the implant’s undetected latency on the appliances and its “sophisticated network-level evasion and authentication techniques” that enable covert communication with the attacker. […]