How a live GreyNoise product demo turned into an incident response. Inside a proxyjacking campaign that hit 143 devices ...
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 ...
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 ...
GreyNoise has received a statement from TeleMessage, stating: CVE-2025-48927 was fully remediated in the TeleMessage environment in early May. That remediation has been independently verified by our ...
To ensure we have as much visibility into activity on the internet as possible, we regularly deploy new sensors in different “geographical” network locations. We’ve selected two sensors for a short ...
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’s Global Observation Grid (GOG) confirms exploitation of these CVEs in the past 24 hours. The heatmap below shows activity over the past 45 days, and the following data reflects the last 30 ...
On June 16, GreyNoise observed exploit attempts targeting CVE-2023-28771 — a remote code execution vulnerability affecting Zyxel Internet Key Exchange (IKE) packet decoders over UDP port 500.
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 ...
When chained together, these vulnerabilities enable unauthenticated remote code execution on Ivanti Endpoint Manager Mobile (EPMM) systems. In April, GreyNoise warned about a 9X surge in scanning ...
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