What are the security implications of having 'customErrorMode' set to 'Off' in a production environment?

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Grade: Education Subject: Support
What are the security implications of having 'customErrorMode' set to 'Off' in a production environment?
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Setting 'customErrorMode' to 'Off' exposes sensitive information like stack traces, internal file paths, and potentially database connection strings to users. This information can be exploited by attackers to gain insights into your application's architecture and vulnerabilities, making it a significant security risk.