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Global Bank Enables Zero Trust, Reduces Lateral Risk by 97% Across Hybrid Cloud

About the Client

The client is a Tier-1 global bank with over 75,000 employees operating across multiple regions and regulatory environments. The organization relied heavily on traditional VPN-based access, which created security gaps, limited visibility, and increased operational complexity. To modernize its security posture and support a hybrid workforce, the bank partnered with Zymr.

Key Outcomes

97% Reduction in Lateral Movement Risk
$8M Annual Cost Savings from VPN Decommissioning

Business Challenges

The bank’s legacy VPN-based architecture created broad network access, increasing the risk of lateral movement in case of credential compromise. Security teams lacked granular control over user access and had limited visibility into user behavior across cloud and on-prem systems.

Managing identities across thousands of employees, partners, and third-party vendors was complex and inefficient. Provisioning and deprovisioning access was slow, leading to security and compliance risks.

The organization also needed to meet evolving regulatory requirements, including alignment with Zero Trust principles such as NIST 800-207. However, integrating modern identity, access, and security controls across AWS, Azure, and on-prem environments posed significant challenges.

The bank required a scalable Zero Trust architecture that could eliminate reliance on VPNs, enforce least-privilege access, and provide centralized visibility and control.

Business Impacts / Key Results Achieved

Zymr helped the bank transition from perimeter-based security to a comprehensive Zero Trust model across its hybrid infrastructure. This transformation enhanced security, reduced operational costs, and improved compliance readiness.

  • 97% Reduction in Lateral Movement Risk
  • $8M Annual VPN Cost Savings
  • Achieved NIST 800-207 Zero Trust Compliance
  • Improved Access Provisioning Time by 60%
  • Enhanced Visibility Across Multi-Cloud and On-Prem Systems

Strategy and Solutions

Zymr implemented a robust Zero Trust framework integrating identity, access, and security controls across the enterprise ecosystem.

  • Zero Trust Network Access (ZTNA) Implementation
    Replaced legacy VPNs with secure, identity-based access controls using Zscaler to enforce least-privilege access.
  • Identity Governance and Administration (IGA)
    Deployed Okta IGA to automate user lifecycle management, streamline provisioning, and ensure compliance.
  • Privileged Access Management (PAM)
    Implemented CyberArk PAM to secure and monitor privileged accounts, reducing insider and external threats.
  • Multi-Cloud Security Integration
    Enabled consistent security policies across AWS, Azure, and on-prem environments for unified access control.
  • Continuous Monitoring and Risk Analytics
    Established real-time monitoring and analytics to detect anomalies and enforce adaptive security policies.
  • Compliance and Governance Enablement
    Aligned security architecture with NIST 800-207 standards to ensure regulatory compliance and audit readiness.
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