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DeepSeek Secure Deployment Checklist
Community April 23, 2026
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Security-focused rules for deploying DeepSeek models in production, covering API key management, input sanitization, output filtering, and compliance.
Rule Content
## DeepSeek Secure Deployment Rules ### API Key Management - Store keys in environment variables or a secrets manager (AWS Secrets Manager, HashiCorp Vault) - Never commit keys to version control - Use separate keys for development, staging, and production - Rotate keys every 90 days or immediately if compromised - Implement key usage monitoring and anomaly detection ### Input Sanitization - Validate all user inputs before sending to DeepSeek API - Set maximum input length (recommended: 8000 tokens for V3, 4000 for R1) - Strip or escape HTML/script tags from user inputs - Detect and block prompt injection attempts: - "Ignore previous instructions" - "You are now..." - System prompt extraction attempts - Log flagged inputs for review (without PII) ### Output Filtering - Scan responses for PII (email, phone, SSN patterns) - Filter responses containing code with known vulnerability patterns - Implement content moderation for user-facing applications - Set up allowlists for expected output formats - Truncate unexpectedly long responses ### Data Privacy - Do not send PII to the API unless necessary and contractually permitted - Implement data masking: replace real names, emails, IDs with placeholders before API calls - Review DeepSeek's data retention policies - Log prompts and responses only in secure, access-controlled storage - Comply with GDPR, CCPA, and applicable regulations ### Infrastructure - Use HTTPS for all API calls - Implement request timeouts to prevent resource exhaustion - Deploy behind a reverse proxy with rate limiting - Use a WAF (Web Application Firewall) for public-facing endpoints - Monitor for unusual traffic patterns (DDoS, credential stuffing)
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