Cyberattackers are using MSIX, a Windows application packaging format, to infect PCs and evade detection by encrypting malware, titled Ghostpulse. Researchers at Elastic Security Labs suspect users are prompted to download malicious MSIX packages via breached websites or misleading adverts. By exploiting vulnerabilities in Notepad++, the attackers initiate a staged process in order to download Ghostpulse and other infostealers. The loader overwrites executed instructions to complicate analysis, and can establish persistence.

The NHS needs to tighten its third-party supplier cybersecurity
The NHS should proactively fortify cybersecurity within its third-party software suppliers following recent damaging ransomware attacks, says Jonathan Lee from Trend Micro. He suggests implementing