Paste the cybersecurity section of an FDA deficiency letter (AI request, hold letter, or RTA). Local keyword matching highlights possible topics and evidence for manufacturer review. It cannot identify every request, determine compliance, or replace review of the complete FDA letter.
Reviewed by
Christian Espinosa
Founder & CEO, Blue Goat Cyber
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Common misconceptions
Myth: An AI letter is just a request for more information.
Reality: For a 510(k) Additional Information hold, the FDA generally allows 180 calendar days from the request for a complete response before withdrawal. Other pathways and request types differ; follow the actual letter and applicable procedure.
Myth: We can answer cybersecurity asks with a narrative.
Reality: Answer the request directly and reference supporting evidence. SBOM, threat-model, and testing material may be relevant; VEX is optional unless requested. No template guarantees that a follow-up request will be avoided.
Myth: Each ask should be answered separately and shipped as it's ready.
Reality: For a 510(k) AI hold, prepare a complete response to the deficiencies and follow the letter instructions. Coordinate interim questions with the reviewer; other request types may use different procedures.
Myth: If we disagree with a deficiency, we should push back.
Reality: Disagreement is fine, but it must be written as a rationale with cited guidance - not as a refusal. Reviewers respond to evidence, not pushback.
References & further reading
Tracked signals that change what reviewers expect. Items move on as new ones land.
FDA cybersecurity Q-Submission Q&A series - May 2026 session
ANSI/AAMI SW96 Amendment 1 draft circulated for member review
AI-letter analysis - 62% of FDA cyber deficiencies cite a missing or stale CVD URL
FDA finalizes 'Cybersecurity in Medical Devices: QMS Considerations and Content of Premarket Submissions'
Turn AI requests and hold letters into accepted responses in days, not months.
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