GreyNoise
@greynoise.io
3.9K followers
24 following
330 posts
GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
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GreyNoise
@greynoise.io
· 22h
100,000+ IP Botnet Launches Coordinated RDP Attack Wave Against US Infrastructure
Since October 8, 2025, GreyNoise has tracked a coordinated botnet operation involving over 100,000 unique IP addresses from more than 100 countries targeting Remote Desktop Protocol (RDP) services in ...
www.greynoise.io
GreyNoise
@greynoise.io
· 2d
Palo Alto Scanning Surges ~500% in 48 Hours, Marking 90-Day High
On October 3, 2025, GreyNoise observed a ~500% increase in IPs scanning Palo Alto Networks login portals, the highest level recorded in the past 90 days. The activity was highly targeted and involved ...
www.greynoise.io
GreyNoise
@greynoise.io
· 3d
Introducing GreyNoise Feeds: Real-Time Intel for Real-Time Response
Learn how GreyNoise Feeds enable real-time, event-driven threat intelligence that eliminates polling delays—helping defenders react instantly to new exploits, IP threats, and zero-day activity.
www.greynoise.io
GreyNoise
@greynoise.io
· 7d
Palo Alto Scanning Surges ~500% in 48 Hours, Marking 90-Day High
On October 3, 2025, GreyNoise observed a ~500% increase in IPs scanning Palo Alto Networks login portals, the highest level recorded in the past 90 days. The activity was highly targeted and involved ...
www.greynoise.io
GreyNoise
@greynoise.io
· 8d
Coordinated Grafana Exploitation Attempts on 28 September
GreyNoise observed a sharp one-day surge of exploitation attempts targeting CVE-2021-43798 — a Grafana path traversal vulnerability that enables arbitrary file reads. All observed IPs are classified a...
www.greynoise.io
GreyNoise
@greynoise.io
· 9d
GreyNoise
@greynoise.io
· 14d
25,000 IPs Scanned Cisco ASA Devices — New Vulnerability Potentially Incoming
GreyNoise observed two scanning surges against Cisco Adaptive Security Appliance (ASA) devices in late August including more than 25,000 unique IPs in a single burst. This activity represents a signif...
www.greynoise.io
GreyNoise
@greynoise.io
· Sep 9
GreyNoise Webinar - How to Spot Early Warning Signals for Emerging Vulnerabilities
Join GreyNoise VP of Data Science Bob Rudis and Head of Content Noah Stone as they break down key insights from our latest report, Early Warning Signals: When Attacker Activity Precedes New Vulnerabil...
info.greynoise.io
GreyNoise
@greynoise.io
· Sep 4
25,000 IPs Scanned Cisco ASA Devices — New Vulnerability Potentially Incoming
GreyNoise observed two scanning surges against Cisco Adaptive Security Appliance (ASA) devices in late August including more than 25,000 unique IPs in a single burst. This activity represents a signif...
www.greynoise.io
