Researchers have identified a critical zero-day vulnerability affecting Windows systems. An alleged cyberattack attributed to Ukrainian actors targeted Gazprombank, one of Russia's largest financial institutions. The Russian hacking group BlueAlpha has been reported to exploit CloudFlare services. Microsoft has raised alarms about the Chinese hacking group Storm-0227, which is targeting critical infrastructure and U.S. government agencies. SonicWall has released patches for several high-severity vulnerabilities in its secure access gateway. Atrium Health disclosed a data breach impacting over half a million individuals. Rockwell Automation revealed four critical vulnerabilities in its Arena software that could allow remote code execution. U.S. authorities arrested an alleged member of the Scattered Spider gang, known for telecom hacks. A Nebraska man pleaded guilty to a .5 million cryptojacking scheme.