On 24 September 2026, a malicious cyber actor (MCA) used 149.104.78.141 to attempt zero-day exploitation against a Citrix NetScaler Gateway. At the time, there were no CVE-specific detections for the ...
GreyNoise observes adversary activity through our Global Observation Grid (GOG), a network of sensors that draws attacker scanning and exploitation onto infrastructure we control. This lets us study ...
At The Edge is GreyNoise's weekly intelligence brief produced exclusively for customers incorporating complete IOCs, infrastructure attribution, detection guidance, and role-based recommendations. At ...
WASHINGTON, Sept. 23, 2026 -- GreyNoise Intelligence, the cybersecurity company that empowers defenders with real-time threat data about attacks at the network edge, today announced four senior hires ...
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 matches your outbound traffic against confirmed malicious and callback infrastructure derived from real exploit activity. A hit is a high-confidence signal that a device is calling out to ...
When a new CVE hits critical perimeter systems, it can trigger emergency response and disruption. Early warnings from GreyNoise let teams prepare in advance and minimize impact ...
Eliminate time-consuming research of benign and opportunistic scanning, allowing hunters to focus on infrastructure actually used by threat actors. GreyNoise helps threat hunters link isolated ...
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 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 ...
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