TEPCO Systems faced escalating security risks, including ransomware threats and supply chain vulnerabilities, that could jeopardize critical power infrastructure. Their outdated, trust-based privileged account management was insufficient for modern zero-trust requirements and complex compliance needs. Delinea Secret Server transformed their security posture by providing a robust, centralized vault for managing privileged credentials. By enforcing strict access controls and automating lifecycle management for secrets, Delinea eliminated the vulnerabilities inherent in their previous model. This shift enabled TEPCO Systems to secure their development operations effectively, ensuring compliance and preventing potential lateral movement of threats, ultimately safeguarding the parent company's

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