Shadowserver is a organization tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed December 17, 2025; most recent activity January 27, 2026.
Shadowserver Foundation is a nonprofit cybersecurity threat intelligence and incident response organization that collects and shares indicators of compromise, malware activity, and other security data to help defenders globally. It collaborates with vendors, CERTs, researchers, and operators to improve visibility into internet-wide threats and to accelerate mitigation efforts.
SonicWall has alerted customers to a local privilege escalation vulnerability (CVE-2025-40602) in the SMA1000 Appliance Management Console, which has been exploited in the wild in conjunction with another vulnerability…
Shadowserver researchers identified over 6,000 SmarterMail servers exposed online, likely vulnerable to a critical authentication bypass flaw tracked as CVE-2026-23760. The vulnerability was disclosed by cybersecurity…