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    Medical Device Pen Test Requirements

    Medical Device Penetration Testing Requirements, Explained

    The FDA February 2026 final guidance raised the bar on pen test scope, methodology, and tester independence. Reports written to the 2023 framing are drawing first-cycle deficiencies.

    A plain-English breakdown of what the FDA, AAMI TIR57, and eSTAR actually require for medical device penetration testing - the scope reviewers expect, the methodology they want documented, and the report format that survives a cybersecurity review without a deficiency letter.

    • Section 524B(b)(2) - what 'reasonable assurance of cybersecurity' really means
    • February 2026 FDA final premarket guidance - pen test expectations
    • AAMI TIR57 - scope, methodology, and evidence requirements
    • eSTAR cybersecurity attachments - what must be in the report
    • Scope coverage: device, cloud, mobile, BLE/RF, OTA
    • Common deficiency-letter triggers and how to avoid them

    Free 30-min call · Senior US expert · Mutual NDA before the call

    FDA submissions supported
    250+
    Cybersecurity rejections
    0
    Quote turnaround
    24 hrs

    Last updated

    250+FDA medical device pen tests shipped
    100%Pen tests that surfaced at least one finding — we have never returned a clean report
    0FDA cybersecurity rejections on a Blue Goat Cyber pen test report
    FDA Feb 2026 guidance · §V.C

    Tester independence, documented the way reviewers expect

    The FDA Test Report requirement asks for an explicit independence statement. Reviewers check for it before they read findings. Every Blue Goat Cyber report includes it, named oversight included.

    External independence

    Our pen test team has no role in writing your device firmware, cloud code, or mobile app, and never has. No remediation work, no architecture authorship, no source contributions. The independence statement in your report names the team and the boundary.

    Internal independence

    Inside Blue Goat Cyber, the pen test team is structurally separate from any consulting or remediation work we do for you. Oversight sits with our CTO and our VP of Regulatory Affairs, both named in the report so reviewers can trace accountability.

    One fixed fee

    Unlimited retesting until clean

    3 to 4 retest rounds is typical. Some submissions take 20+. One fixed fee covers them all. We do not bill per retest, per finding, or per round.

    • Every closed finding gets re-executed against the original exploit path
    • Retest evidence is appended to the same report your reviewer sees
    • Scope creep that introduces new surfaces is a separate quote, on purpose

    Trusted by medical device teams worldwide

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    Lifecycle scope

    What FDA reviewers expect in a medical device pen test

    Premarket to postmarket — one senior team owns every cybersecurity artifact the FDA reviewer will open.

    01

    Section 524B(b)(2) coverage

    The pen test must demonstrate the device is 'cyber secure' - meaning every attack surface in the threat model has been exercised by an independent tester, not just a vendor self-attestation.

    02

    Scope tied to the threat model

    Reviewers expect a one-to-one mapping: every STRIDE threat → at least one test case → a documented result. A pen test that ignores threats in your own model is a near-automatic deficiency.

    03

    All connected interfaces in scope

    Device firmware, cloud backend + APIs, mobile companion apps, BLE/Wi-Fi/RF, and OTA update channels. Web-app-only testing on a connected medical device will be rejected.

    04

    Methodology documented

    Reviewers want to see the methodology (e.g. OWASP, PTES, NIST 800-115), tools used, test cases run, and the rationale for what was in/out of scope - not just a list of findings.

    05

    Reviewer-format report + evidence

    Executive summary, scope, methodology, findings with CVSS, remediation, retest results, and tester credentials - formatted to be dropped straight into the eSTAR cybersecurity attachments.

    06

    Independent tester

    FDA expects testing performed by qualified personnel independent of the development team. Self-tests by the dev team rarely satisfy reviewers and frequently trigger deficiency letters.

    Common FDA findings

    Where pen test reports get cited as deficient

    These are the report-level gaps that trigger FDA cybersecurity deficiency letters even when the underlying testing was solid.

    No tester independence statement

    Report doesn't document that testers are independent of the development team. Reviewer flags it as a 524B(b)(2) gap regardless of test quality.

    Scope doesn't match the threat model

    Threat model lists 30 STRIDE entries, pen test report exercises 8. Reviewer asks for the missing 22 - and the submission stalls.

    Cloud or mobile out of scope

    Only the device firmware was tested. Cloud APIs, mobile companion apps, and OTA channels are out of scope. Reviewer requires the full attack surface.

    No methodology section

    Findings are listed but the report doesn't say which methodology (OWASP, PTES, NIST 800-115) was followed, what tools were used, or what was deliberately out of scope.

    Findings without CVSS or remediation

    A finding list with severities but no CVSS vectors, no remediation guidance, and no retest evidence. Reviewer cannot evaluate residual risk.

    BLE / RF assumed not tested

    If the report doesn't explicitly call out BLE, Wi-Fi, or RF testing, reviewers assume it wasn't done. Easy fix - say so in the report.

    Blue Goat Cyber vs. the alternatives

    What you actually get versus a generic pen test shop or doing it in-house against a regulatory clock.

    Capability Blue Goat Cyber Generic pen test shop In-house
    Senior medical device cybersecurity engineers Every project, US-based Junior pen testers, rotating Hard to hire and retain
    FDA reviewer-format reports eSTAR-attachable, 524B-mapped Raw findings dump Built from scratch each time
    Unlimited retests until closed Included, fixed fee Billed per retest Internal cycle cost
    FDA submission track record 250+, zero cyber rejections Rare medical device experience First submission risk
    Mutual NDA before first call Standard Usually after SOW n/a
    Pen test coverage map

    What FDA reviewers expect a medical device pen test to cover

    What happens after you book the call

    1. 1Day 0

      Mutual NDA + 30-min requirements review

      We sign a mutual NDA, then map your existing pen test (or planned one) against Section 524B, the February 2026 guidance, and AAMI TIR57.

    2. 2Day 1

      Free 30-min discovery call

      We walk your current pen test scope on the discovery call and return a fixed-fee quote within one business day showing exactly what's missing and what it takes to close.

    3. 3Weeks 2-6

      eSTAR-ready pen test (if needed)

      If a re-scoped or supplemental pen test is the right move, we run it - device, cloud, mobile, wireless - and deliver a reviewer-format report eSTAR-attachable.

    "Blue Goat provided testing on our system for cybersecurity and provided the necessary documentation to add to our regulatory submission. They were very knowledgeable in the requirements, and performed the testing onsite which made the logistics of equipment availability easier for us. The communication was excellent, and they were able to expedite the testing and provide final reports in a very short period of time."
    - Bernie Lane, Engineer Manager, CSA Medical Inc

    Guaranteed cybersecurity clearance

    If the FDA rejects your submission for cybersecurity reasons, we fix it at no additional cost. 250+ submissions, zero cyber rejections to date.

    Mutual NDA before the call

    We sign a mutual NDA before the initial call so you can share device details, architecture, and FDA correspondence freely.

    Fixed-fee quote within 24 hours of the call

    No sales pressure. After the call, you get a concrete written strategy mapped to Section 524B and the FDA February 2026 final guidance.

    Senior US engineers, fixed fee

    Senior-led delivery on every FDA-facing artifact. No offshoring, no hourly billing. Unlimited revisions. Every artifact is eSTAR-ready.

    Common questions

    Christian Espinosa, Founder & CEO of Blue Goat Cyber

    Who you're talking to

    Christian Espinosa, Founder & CEO

    MBA, CISSP · U.S. Air Force Academy graduate · 30+ years in cybersecurity

    Christian leads the senior medical device cybersecurity team behind 250+ FDA submissions with a 100% cybersecurity success rate. Author of three books including Medical Device Cybersecurity: An In-Depth Guide.

    Need to meet FDA pen test requirements?

    30-minute call with a senior medical device cybersecurity expert. Fixed-fee quote within 24 hours of the call. Reviewer-ready report, unlimited retests included.

    Replies in 1 business dayMutual NDA firstUS-based senior engineerNo sales pitch