How a live GreyNoise product demo turned into an incident response. Inside a proxyjacking campaign that hit 143 devices ...

We use cookies to ensure you get the best experience on our website. Learn more ...

GreyNoise analyzed 2.97 billion sessions over 162 days in H2 2025, and the patterns reveal where edge defenses hold up — and where they fall short. The data exposes specific concentration points in ...

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 ...

It’s well known that the window between CVE disclosure and active exploitation has narrowed. But what happens before a CVE is even disclosed? In our latest research “Early Warning Signals: When ...

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 ...

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 has observed active exploitation of CVE-2023-20198, with 110 malicious IPs actively targeting vulnerable Cisco devices, primarily from Bulgaria, Brazil, and Singapore. Two malicious IPs ...

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 ...

The GreyNoise Global Observation Grid observed active exploitation of two critical Ivanti Endpoint Manager Mobile vulnerabilities, and 83% of that exploitation traces to a single IP address on ...