Microsoft has analyzed a new Windows backdoor called GigaWiper that merges three destructive tools: full disk wiping, Windows drive overwriting, and fake ransomware that scrambles files without saving keys. This modular malware gives operators multiple ways to disrupt or destroy infected machines.
Hackers are actively exploiting a critical vulnerability in SimpleHelp (CVE-2026-48558) to distribute Djinn Stealer, a new cross-platform information stealer targeting Windows, macOS, and Linux. This campaign represents a novel threat leveraging an undocumented malware strain.
CISA has issued a warning about hackers actively exploiting severe vulnerabilities in Ubiquiti UniFi OS and Lantronix serial-to-ethernet servers. These flaws carry a maximum severity rating and pose significant risk to affected organizations.