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Resource Center

Welcome to our cybersecurity resource center where we uncover how malicious actors exploit weaknesses in systems, while going beyond the technical aspects and examining real-world perspectives across various industries.

LATEST VULNERABILITIES

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CVE-2026-123158

CVE-2026-123158, known as *sshole, is an OpenSSH sshd authentication bypass on Linux systems that use musl libc without PAM, including Alpine Linux in its default configuration.
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CVE-2026-20362

CVE-2026-20362 is a high-severity SSRF vulnerability in Cisco Finesse discovered by Horizon3 researchers, with affected versions, mitigations, and a NodeZero Rapid Response test.
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    Stop Patching Blindly: What CISA’s New Prioritization Approach Means for Federal Agencies

    November 10, 2026
    CISA's BOD 26-04 moves federal agencies from severity-based patching to risk-based prioritization. Here's how validation and verification show which exposures to fix first and prove the fixes worked.
    CISA logo displayed on a smartphone screen in front of a blurred American flag

    Securing Financial Services: 5 Critical Cybersecurity Advantages of NodeZero

    November 9, 2026
    Discover 5 key cybersecurity advantages of NodeZero™ for financial services: executive insights, fraud protection, compliance cost reduction, and more.

    5 Key Benefits of NodeZero for Enhancing Security in Financial Services Organizations

    November 9, 2026
    Discover 5 key benefits of NodeZero™ to enhance cybersecurity in financial services. Reduce risk, boost efficiency, and streamline compliance.
    Whitepaper: 5 Key Benefits of NodeZero for Enhancing Security in Financial Services Organizations

    Metrics That Matter: Are We Becoming Harder to Attack?

    November 8, 2026
    Closed tickets and remediation SLAs show what teams have done, not whether the environment is harder to attack. This infographic outlines four Exposure Management metrics: attack paths and impacts, speed of impact reduction, verification coverage, and recurrence.
    Horizon3 infographic header titled Metrics that matter, asking whether we are becoming harder to attack

    CVE-2026-123158

    November 6, 2026
    CVE-2026-123158, known as *sshole, is an OpenSSH sshd authentication bypass on Linux systems that use musl libc without PAM, including Alpine Linux in its default configuration.
    CVE-2026-123158 OpenSSH musl authentication bypass vulnerability (*sshole)

    AI-Powered Penetration Testing: How Autonomous Offensive Security Works

    November 2, 2026
    Your Environment Changes Every Day. Can Your Penetration Testing Keep Up? Traditional penetration tests provide valuable insights, but their findings reflect a moment in time. As applications, identities, infrastructure, and attacker techniques evolve, yesterday's assessment may no longer reflect today's exposure. This SANS Spotlight paper explores how AI-powered penetration testing makes continuous offensive validation practical.…
    SANS Spotlight paper: AI-Powered Penetration Testing: How Autonomous Offensive Security Works

    Why Old Vulnerability Management Habits Keep Rising from the Grave

    October 29, 2026
    Three customer stories show how to keep severity-only priorities and closed-ticket counts from undermining your CTEM program by tying findings to attack paths and verifying fixes.

    CVE-2026-20362

    October 28, 2026
    CVE-2026-20362 is a high-severity SSRF vulnerability in Cisco Finesse discovered by Horizon3 researchers, with affected versions, mitigations, and a NodeZero Rapid Response test.

    CVE-2026-109618 / CVE-2026-109619

    October 23, 2026
    Advisory for PHP2Shell (CVE-2026-109618 and CVE-2026-109619): affected PHP versions, fixed releases, mitigations, monitoring guidance, and the NodeZero Rapid Response check.
    PHP2Shell advisory for CVE-2026-109618 and CVE-2026-109619

    CVE-2026-76268

    October 22, 2026
    Horizon3.ai's NodeZero Rapid Response test helps security teams validate exposure to CVE-2026-76268, a critical Splunk Enterprise vulnerability that could allow unauthenticated attackers with network access to execute operating-system commands.