CCDV-F: Claude Certified Developer — Foundations

By Anthropic · Question Mode

QuestionQ89

VerifiedSecurity and Safety

You are designing a Claude application that processes text submitted by users. Some of the text may contain sensitive information, such as account numbers or passwords, that the application should not send to Claude.

How would you design the application?

Explanation

Define which information may leave the application boundary, and filter or redact sensitive content before sending it to Claude. A system-prompt instruction cannot prevent content already included in a request from being transmitted, and monitoring after transmission cannot prevent the initial exposure. Filtering should be tested and improved because detection may miss sensitive data. Anthropic recommends redacting credentials and other secrets before returning content to Claude. (platform.claude.com)

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