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Vulnus: Visual Vulnerability Analysis for Network Security.

Marco Angelini, Graziano Blasilli, Tiziana Catarci

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    Summary
    This summary is machine-generated.

    VULNUS is a visual analytics tool that helps network security managers understand and manage IT system vulnerabilities. It identifies optimal patching strategies to eliminate attack paths, improving network security posture.

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    Area of Science:

    • Computer Science
    • Information Security
    • Data Visualization

    Background:

    • IT systems face significant weaknesses due to vulnerabilities.
    • Official data like Common Vulnerabilities and Exposures (CVE) aids in identifying potential attack paths.
    • Implementing patches is often hindered by business constraints and resource limitations, complicating vulnerability management.

    Purpose of the Study:

    • To present VULNUS, a visual analytics solution for dynamic inspection of network vulnerabilities.
    • To enable a rapid understanding of network security status and visually classify nodes based on vulnerability levels.
    • To compute optimal and explore sub-optimal patching sequences to mitigate attack paths.

    Main Methods:

    • Developed VULNUS, a visual analytics system for network vulnerability assessment.
    • Implemented algorithms to compute approximated optimal and sub-optimal patching strategies.
    • Conducted a lab-test experiment with domain experts for evaluation.

    Main Results:

    • VULNUS provides dynamic inspection of network vulnerabilities.
    • The system visually classifies nodes according to their vulnerability.
    • It computes optimal patch sequences to eliminate attack paths and simulates sub-optimal strategies.
    • Domain expert evaluation confirmed the solution's effectiveness and efficiency.

    Conclusions:

    • VULNUS offers an effective and efficient solution for visual network vulnerability assessment.
    • The tool aids security managers in understanding network status and making informed patching decisions.
    • It supports the strategic elimination of attack paths through optimized patching sequences.