GreyNoise - Security Ticks

GreyNoise unveils MCP Server to power AI-driven SOC workflows

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GreyNoise unveils MCP Server to power AI-driven SOC workflows 2025-09-18 at 07:17 By Industry News GreyNoise Intelligence introduced the GreyNoise Model Context Protocol (MCP) Server to enable MCP-compatible LLMs and agents to query GreyNoise APIs directly, providing real-time, actionable threat intelligence for AI agents. “AI Agents represent a major shift in cybersecurity, moving beyond simple […]

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Can AI make threat intelligence easier? One platform thinks so

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Can AI make threat intelligence easier? One platform thinks so 2025-08-28 at 07:38 By Mirko Zorz 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 blogs, RSS feeds, and social media channels, but it took too long to separate

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Brute-force attacks hammer Fortinet devices worldwide

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Brute-force attacks hammer Fortinet devices worldwide 2025-08-14 at 17:05 By Zeljka Zorz 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 (potentially zero-day) vulnerabilities in Fortinet devices. Shifting attacks Greynoise, a cybersecurity intelligence service that through its global network

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GreyNoise enhances threat response with real-time blocklists, feeds, and SOAR integrations

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GreyNoise enhances threat response with real-time blocklists, feeds, and SOAR integrations 2025-07-31 at 16:33 By Industry News GreyNoise Intelligence introduced three new platform capabilities designed to help security teams detect, block and respond faster to emerging cybersecurity threats. These capabilities, including Real-time Dynamic Blocklists, new GreyNoise feeds and integrations for Security Orchestration, Automation and Response

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GreyNoise Flags 9,000 ASUS Routers Backdoored Via Patched Vulnerability

Asus, botnet, Censys, CVE-2023-39780, GreyNoise, IoT Security, Malware & Threats, ORB, Vulnerabilities / SecurityTicks

GreyNoise Flags 9,000 ASUS Routers Backdoored Via Patched Vulnerability 2025-05-29 at 17:37 By Ryan Naraine Professional hackers have built a network of ASUS routers that can survive firmware upgrades, factory reboots and most anti-malware scans. The post GreyNoise Flags 9,000 ASUS Routers Backdoored Via Patched Vulnerability appeared first on SecurityWeek. This article is an excerpt

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Attackers are probing Palo Alto Networks GlobalProtect portals

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Attackers are probing Palo Alto Networks GlobalProtect portals 2025-04-01 at 14:21 By Zeljka Zorz Cybersecurity company GreyNoise is warning about a significant increase of scanning activity targeting internet-facing Palo Alto Networks GlobalProtect portals in the last 30 days, and has urged organizations with exposed systems to secure them and look for signs of compromise. “The

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Attackers are chaining flaws to breach Palo Alto Networks firewalls

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Attackers are chaining flaws to breach Palo Alto Networks firewalls 2025-02-19 at 11:03 By Zeljka Zorz Exploitation attempts targeting CVE-2025-0108, a recently disclosed authentication bypass vulnerability affecting the management web interface of Palo Alto Networks’ firewalls, are ramping up. “GreyNoise now sees 25 malicious IPs actively exploiting CVE-2025-0108, up from 2 on February 13,” the

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Zyxel CPE devices under attack via critical vulnerability without a patch (CVE-2024-40891)

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Zyxel CPE devices under attack via critical vulnerability without a patch (CVE-2024-40891) 2025-01-29 at 18:32 By Zeljka Zorz 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, cybersecurity company Greynoise has warned. Successful exploitation would allow attackers to execute

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New Zyxel Zero-Day Under Attack, No Patch Available

Censys, CVE-2024-40891, GreyNoise, Malware & Threats, Vulnerabilities, Zyxel / SecurityTicks

New Zyxel Zero-Day Under Attack, No Patch Available 2025-01-29 at 18:21 By Ryan Naraine GreyNoise reports active exploitation of a newly discovered zero-day vulnerability in Zyxel CPE devices. There are no patches available. The post New Zyxel Zero-Day Under Attack, No Patch Available appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View

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Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation

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Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation 2024-04-17 at 12:31 By Zeljka Zorz While it initially seemed that protecting Palo Alto Network firewalls from attacks leveraging CVE-2024-3400 would be as easy a disabling the devices’ telemetry, it has now been comfirmed that this mitigation is ineffectual. “Device telemetry does not need to be

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Akira, LockBit actively searching for vulnerable Cisco ASA devices

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Akira, LockBit actively searching for vulnerable Cisco ASA devices 2024-02-08 at 14:31 By Zeljka Zorz Akira and Lockbit ransomware groups are trying to breach Cisco ASA SSL VPN devices by exploiting several older vulnerabilities, security researcher Kevin Beaumont is warning. They are targeting vulnerabilities for which patches have been made available in 2020 and 2023.

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Ivanti EPMM and MobileIron Core vulnerability is actively exploited, CISA confirms (CVE-2023-35082)

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Ivanti EPMM and MobileIron Core vulnerability is actively exploited, CISA confirms (CVE-2023-35082) 2024-01-19 at 19:49 By Zeljka Zorz A previously patched critical vulnerability (CVE-2023-35082) affecting Ivanti Endpoint Manager Mobile (EPMM) and MobileIron Core is being actively exploited, the Cybersecurity and Infrastructure Security Agency (CISA) has confirmed by adding the vulnerability to its Known Exploited Vulnerabilities

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Critical ownCloud flaw under attack (CVE-2023-49103)

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Critical ownCloud flaw under attack (CVE-2023-49103) 28/11/2023 at 14:17 By Zeljka Zorz Attackers are trying to exploit a critical information disclosure vulnerability (CVE-2023-49103) in ownCloud, a popular file sharing and collaboration platform used in enterprise settings. Greynoise and SANS ISC say attemps have been first spotted over the weekend, though Dr. Johannes Ullrich, Dean of

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Atlassian Confluence data-wiping vulnerability exploited

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Atlassian Confluence data-wiping vulnerability exploited 06/11/2023 at 13:19 By Zeljka Zorz Threat actors are trying to exploit CVE-2023-22518, a critical Atlassian Confluence flaw that allows unauthenticated attackers to reset vulnerable instances’ database, Greynoise is observing. The Shadowserver Foundation has also seen 30+ IP addresses testing for the flaw in internet-facing Confluence installations. From security updates

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Critical Atlassian Confluence vulnerability exploited by state-backed threat actor

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Critical Atlassian Confluence vulnerability exploited by state-backed threat actor 11/10/2023 at 14:18 By Helga Labus A critical flaw in Atlassian Confluence Data Center and Server (CVE-2023-22515) has been exploited by a state-backed threat actor, Microsoft’s threat analysts have pinpointed. About the vulnerability CVE-2023-22515 was initially classified as a critical privilege escalation vulnerability affecting Confluence Data

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11 search engines for cybersecurity research you can use right now

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11 search engines for cybersecurity research you can use right now 29/08/2023 at 06:32 By Help Net Security Staying ahead in cybersecurity requires constant learning and adaptation. If you’re interested in cybersecurity research, explore the resources outlined below. DNSdumpster DNSdumpster is a free domain research tool that can discover hosts related to a domain. Finding

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Citrix ADC zero-day exploitatation: CISA releases details about attack on CI organization (CVE-2023-3519)

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Citrix ADC zero-day exploitatation: CISA releases details about attack on CI organization (CVE-2023-3519) 21/07/2023 at 14:19 By Zeljka Zorz The exploitation of the Citrix NetScaler ADC zero-day vulnerability (CVE-2023-3519) was first spotted by a critical infrastructure organization, who reported it to the Cybersecurity and Infrastructure Security Agency (CISA). “In June 2023, threat actors exploited this

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VMware Aria Operations for Networks vulnerability exploited in the wild (CVE-2023-20887)

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VMware Aria Operations for Networks vulnerability exploited in the wild (CVE-2023-20887) 21/06/2023 at 11:42 By Zeljka Zorz CVE-2023-20887, a pre-authentication command injection vulnerability in VMware Aria Operations for Networks (formerly vRealize Network Insight), has been spotted being exploited in the wild. There are no workarounds to mitigate the risk of exploitation – enterprise admins are

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ThreatBlockr integrates with GreyNoise to guard against false positives

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ThreatBlockr integrates with GreyNoise to guard against false positives 09/05/2023 at 18:17 By Industry News ThreatBlockr and GreyNoise announced a partnership that will enhance the ThreatBlockr platform. By leveraging GreyNoise data, ThreatBlockr customers now have automatic access to this enhanced cyber intelligence and the largest cyber intelligence data set that protects against false positives. “False

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