GreyNoise identified an increase in scanning and exploitation attempts targeting Digital Video Recorders (DVR) in Ukraine between 21 September and 1 October 2026. The activity coincides with an ...
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Actionable intelligence on real-world threats as they unfold. Get insights into attacker behavior, infrastructure, exploitation of zero-days and n-days, temporal pattern, and geographic hotspots — all ...
GreyNoise has identified a significant escalation in malicious activity targeting Palo Alto Networks GlobalProtect portals. Beginning on 14 November 2025, activity rapidly intensified, culminating in ...
Coordinated Brute Force Activity Targeting Apache Tomcat Manager Indicates Possible Upcoming Threats
Roughly 400 unique IPs were involved in the activity observed across both tags during this period of elevated activity. Most of the activity originating from these IPs exhibited a narrow focus on ...
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In a significant escalation, the botnet has grown to ~300,000 IPs — more than tripling in size. The threat actor(s) continues its focus on RDP infrastructure in the United States, leveraging IPs from ...
GreyNoise has identified a notable surge in scanning activity targeting MOVEit Transfer systems, beginning on May 27, 2025. Prior to this date, scanning was minimal — typically fewer than 10 IPs ...
GreyNoise’s new research reveals a recurring pattern: spikes in malicious activity often precede the disclosure of new CVEs — especially in enterprise edge technologies like VPNs and firewalls. In 80 ...
GreyNoise measured 212 exploitation attempts per second across H2 2025 — and the patterns inside that volume expose specific, measurable gaps in common edge defense strategies. The 2026 GreyNoise ...
Mass exploitation is faster and broader than ever. 40% of exploited CVEs in 2024 were at least four years old — some dating back to the 1990s. Attackers are targeting zero-days within hours of ...
GreyNoise observed a significant spike in attacker activity the day CISA added CVE-2023-24489 to their Known Exploited Vulnerabilities Catalog: Citrix ShareFile, a popular cloud-based file-sharing ...
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