GreyNoise

Too many Cisco ASA firewalls still unsecure despite zero-day attack alerts
Despite Cisco and various cybersecurity agencies warning about attackers actively exploting zero-day vulnerabilities (CVE-2025-20333 and CVE-2025-20362) in Cisco Adaptive …

GreyNoise unveils MCP Server to power AI-driven SOC workflows
GreyNoise Intelligence introduced the GreyNoise Model Context Protocol (MCP) Server to enable MCP-compatible LLMs and agents to query GreyNoise APIs directly, providing …

Can AI make threat intelligence easier? One platform thinks so
When analysts at RH-ISAC found themselves spending 10 hours a week just collecting threat intelligence, they knew their process wasn’t sustainable. They were manually tracking …

Brute-force attacks hammer Fortinet devices worldwide
A surge in brute-force attempts targeting Fortinet SSL VPNs that was spotted earlier this month could be a portent of imminent attacks leveraging currently undisclosed …

GreyNoise enhances threat response with real-time blocklists, feeds, and SOAR integrations
GreyNoise Intelligence introduced three new platform capabilities designed to help security teams detect, block and respond faster to emerging cybersecurity threats. These …

Check for CitrixBleed 2 exploitation even if you patched quickly! (CVE-2025-5777)
With PoC exploits for CVE-2025-5777 (aka CitrixBleed 2) now public and reports of active exploitation of the flaw since mid-June, you should check whether your Citrix …

Attackers are probing Palo Alto Networks GlobalProtect portals
Cybersecurity company GreyNoise is warning about a significant increase of scanning activity targeting internet-facing Palo Alto Networks GlobalProtect portals in the last 30 …

Attackers are chaining flaws to breach Palo Alto Networks firewalls
Exploitation attempts targeting CVE-2025-0108, a recently disclosed authentication bypass vulnerability affecting the management web interface of Palo Alto Networks’ …

Zyxel CPE devices under attack via critical vulnerability without a patch (CVE-2024-40891)
CVE-2024-40891, a command injection vulnerability in Zyxel CPE Series telecommunications devices that has yet to be fixed by the manufacturer, is being targeted by attackers, …

PHP command injection flaw exploited to deliver ransomware (CVE-2024-4577)
An OS command injection vulnerability in Windows-based PHP (CVE-2024-4577) in CGI mode is being exploited by the TellYouThePass ransomware gang. Imperva says the attacks …

SolarWinds fixes severe Serv-U vulnerability (CVE-2024-28995)
SolarWinds has fixed a high-severity vulnerability (CVE-2024-28995) affecting its Serv-U managed file transfer (MFT) server solution, which could be exploited by …

Check Point VPN zero-day exploited since beginning of April (CVE-2024-24919)
Attackers have been exploiting CVE-2024-24919, a zero-day vulnerability in Check Point Security Gateways, to pinpoint and extract password hashes for local accounts, which …
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