GreyNoise

Entity category: organization

Business

Hackers Actively Exploit Critical BeyondTrust RCE Flaw

A critical command injection vulnerability (CVE-2026-1731) in BeyondTrust's remote access software is being actively exploited, allowing unauthenticated attackers to run…

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Business

Ivanti EPMM “sleeper” webshells pose hidden threat

A critical vulnerability (CVE-2026-1281) in Ivanti's EPMM platform is being actively exploited, with attackers implanting hidden, dormant backdoors that are…

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Cybersecurity

Check If Your Home Network Is Hacked

A new tool called IP Check from GreyNoise allows users to quickly see if their public IP address has been…

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BigTech Companies

GlobalProtect VPN Portals Hit by 2.3 Million Cyber Scans

A fortyfold surge in malicious scanning targeting Palo Alto Networks GlobalProtect VPN portals began on November 14, 2025, marking the…

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Artificial Intelligence

Palo Alto Portal Scans Skyrocket 500%

GreyNoise reported a 500% surge in reconnaissance scans targeting Palo Alto Networks login interfaces, with 1,300 distinct IPs detected on…

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BigTech Companies

Major Firewall Vendors Hit in Coordinated Cyberattack

A coordinated cyberattack is targeting Cisco, Palo Alto Networks, and Fortinet devices, with all exploitation campaigns originating from identical subnets,…

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Business

Palo Alto Networks Login Portals Under Massive Attack Surge

A dramatic 500% surge in suspicious network scans is targeting Palo Alto Networks login portals, with over 1,285 unique IPs…

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Artificial Intelligence

GreyNoise Launches MCP Server for AI-Powered SOC Workflows

GreyNoise Intelligence has launched an MCP Server to integrate real-time threat intelligence into AI-driven security operations, enabling faster decision-making and…

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BigTech Companies

Cisco ASA Devices Face Surge in Network Scans

A significant surge in network scanning activity targeting Cisco ASA devices has been detected, with spikes in late August involving…

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Cybersecurity

Fortinet Issues Alert: Critical Vulnerability Exploit Code Released

A critical vulnerability (CVE-2025-25256) in Fortinet's FortiSIEM platform allows unauthenticated attackers to execute arbitrary code, prompting urgent patching efforts due…

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Cybersecurity

80% of Security Flaws Followed by Spikes in Malicious Activity

New research shows that 80% of sudden spikes in malicious activity (e.g., network scanning) precede the disclosure of security vulnerabilities…

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Cybersecurity

Patch Alert: CitrixBleed 2 Still a Threat (CVE-2025-5777)

A critical vulnerability (CVE-2025-5777) in Citrix NetScaler systems is being exploited, enabling session hijacking and unauthorized access despite Citrix's denial…

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