Critical Palo Alto VPN bug now exploited by Qilin ransomware gang

The Qilin ransomware gang is exploiting a critical PAN-OS GlobalProtect authentication bypass flaw to breach victims' networks, according to cybersecurity company Arctic Wolf. The flaw allows attackers to bypass authentication and gain unauthorized access. Organizations using Palo Alto Networks' GlobalProtect VPN are urged to apply patches immediately to prevent compromise by the ransomware group.