Legacy System Protection

    Legacy System Protection

    Wrap aging industrial control systems with modern zero trust security without disrupting operations or requiring system modifications.

    The Challenge

    Securing the Unsecurable

    Critical infrastructure often depends on legacy systems that can't be updated, patched, or replaced—yet they remain prime targets for sophisticated attackers.

    • Legacy ICS/SCADA systems can't be patched or upgraded
    • Proprietary protocols lack built-in security
    • Vendor support has ended for critical systems
    • Compliance requirements mandate security controls
    • Replacement is cost-prohibitive or operationally risky
    Legacy industrial systems
    The Solution

    Zero Trust Without Modification

    QuantLayer wraps legacy systems in a secure zero trust envelope, providing modern security controls without touching the underlying systems.

    Agentless Protection

    No software installation required on legacy systems—deploy protection without touching endpoints.

    Protocol Translation

    Secure modern access to legacy protocols with built-in translation and inspection.

    Virtual Patching

    Apply security controls without modifying vulnerable legacy systems.

    Gradual Modernization

    Create a secure path to modernization without disrupting current operations.

    Proven Results

    Protection Without Disruption

    100%
    Legacy systems secured without modification
    Zero
    Operational disruption during deployment
    15+
    Industrial protocols supported
    70%
    Reduction in vulnerability exposure

    Protect Your Legacy Systems Today

    See how QuantLayer can secure your legacy industrial systems without disruption or modification.