Greynoise Automated Credential Campaign Targets VPN Services
Article Content
Browse articles
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 involved large-scale scripted login attempts over a two-day period in mid-December, indicating a single entity leveraging consistent infrastructure across multiple platforms.
Ask AI about this cluster
Answers cite the sources they use
Updated 228d ago How this analysis works
More articles in this cluster (5)
Following this threat?
Track Cisco and CVE-2025-20393 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
Critical Cisco Secure Email Gateway Vulnerability Exploited Cisco has disclosed a critical vulnerability in its Secure Email Gateway (SEG), tracked as CVE-2026-76519, which allows unauthenticated remote attackers to execute commands with root privileges. This flaw arises from improper handling of email attachments when the File Reputation service is enabled. Active…
Critical BeyondTrust 9.3 Vulnerability Actively Exploited by Threat Actor A critical vulnerability (CVE-2026-102764) in BeyondTrust Remote Support has been discovered and is actively being exploited by the threat group ARMORY CASTLE, reportedly linked to China. The vulnerability, which has a CVSS score of 9.3, allows unauthenticated attackers to upload files and potentially compromise host…