The CitrixBleed 2 vulnerability in NetScaler may expose organizations to compromise even if patches have been applied.

GreyNoise said over 2,000 IP addresses have scanned for Spring Boot Actuator endpoints in the past 90 days. Of them, 1,582 ...

A critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed "CitrixBleed 2," was actively exploited nearly ...

GreyNoise plans to further build out its product with its $15 million Series A investment, which was led by Radian Capital with participation from CRV, Inner Loop, ...

Hackers continue to try to exploit a forked signal app that is used to archive sensitive messages for compliance purposes, ...

GreyNoise Intelligence, a Washington, D.C.-based cybersecurity startup that analyses internet scanning traffic to help organizations separate threats from internet "background noise," has landed ...

GreyNoise wants to help by filtering out benign security alerts, leaving security pros to deal with the ones that matter. Today, the company announced a $4.8 million seed investment led by CRV ...

GreyNoise reported that, as of May 27, nearly 9,000 routers were confirmed compromised. The company is pulling that data from Censys, which keeps tabs on internet-facing devices throughout the world.

GreyNoise, which has about 100 paying customers, is in the process of figuring out what features to offer to those customers on top of the free capabilities, he noted.

GreyNoise says it is the kind of activity that typically precedes new vulnerability disclosures Ivanti VPN users should stay alert as IP scanning for the vendor's Connect Secure and Pulse Secure ...

While GreyNoise has made no attribution, the level of tradecraft suggests a well-resourced and highly capable adversary." Also: Your old router could be a security threat – here's why and what to do ...