Between June 29 and July 6, 2026, GreyNoise observed a significant increase in exploitation attempts targeting Palo Alto GlobalProtect CVE-2019-1579, with over 120 malicious hosts detected on July 6. This activity was…
GreyNoise Intelligence has released a report indicating that spikes in malicious activity often precede the disclosure of new vulnerabilities in edge devices. The study tracked 147.8 million sessions over 103 days,…
The Qilin ransomware gang is actively exploiting a critical authentication bypass vulnerability (CVE-2026-0257) in Palo Alto Networks' PAN-OS GlobalProtect VPN software. This flaw allows attackers to bypass security…
BeyondTrust has issued a warning regarding a critical remote code execution (RCE) vulnerability in its Remote Support and Privileged Remote Access software. The flaw, tracked as CVE-2026-1731, allows unauthenticated…
Palo Alto Networks disclosed two critical vulnerabilities in their GlobalProtect app. CVE-2026-0251, published on 2026-05-13, allows local privilege escalation on Windows, macOS, and Linux, enabling non-administrative…
Palo Alto Networks has patched a denial-of-service vulnerability in its GlobalProtect Gateway and Portal that could crash firewalls without requiring user login. This security issue affects users of the GlobalProtect…
In mid-December 2025, threat actors executed a brute-force campaign against Cisco SSL VPN and Palo Alto Networks GlobalProtect portals, conducting millions of automated login attempts. The attacks were traced back to…
Palo Alto Networks has addressed a high-severity vulnerability in its GlobalProtect Gateway and Portal, tracked as CVE-2026-0227 with a CVSS score of 7.7. A proof-of-concept (PoC) exploit for this flaw exists,…
Hackers have launched 2.3 million attacks on Palo Alto Networks' GlobalProtect VPN portals. This wave of attacks has raised concerns among users of the VPN service, highlighting the ongoing risks associated with…
GreyNoise is monitoring a coordinated credential-based attack campaign aimed at enterprise VPN authentication systems, specifically targeting Cisco SSL VPN and Palo Alto Networks GlobalProtect services. The campaign…