Nightfall for ChatGPT — Redact Sensitive AI Data

Nightfall for ChatGPT is a browser extension that redacts sensitive information in AI prompts for secure business use.

Nightfall for ChatGPT is a browser extension designed to automatically detect and redact sensitive information before it reaches OpenAI servers. It is built specifically for security-conscious business owners, compliance officers, and teams who need to use generative AI without risking data leaks. The tool identifies over 150 types of sensitive data, including personally identifiable information (PII), payment card information (PCI), and healthcare records (PHI). Nightfall for ChatGPT operates in real-time by scanning prompts as they are typed. If a user accidentally pastes an API key, customer email, or confidential legal statement, the extension redacts the text according to pre-defined security policies. This proactive approach ensures that sensitive internal data is never stored in external AI models or used for future training. On surfai.app, we categorize this as an essential layer for corporate data governance. The extension is particularly effective for healthcare organizations and legal firms that must adhere to strict regulatory frameworks like HIPAA, GDPR, and SOC 2. By implementing this tool, businesses can maintain the productivity gains of AI while preventing the accidental disclosure of trade secrets or private client data. It works directly within the Chrome browser, requiring no complex infrastructure changes or deep API integrations for individual users. Nightfall for ChatGPT offers a free tier for basic personal use, while corporate teams and enterprise environments can access advanced policy management and audit logs through paid subscription plans starting at $30 per month.

• Pricing: freemium

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