Qualysec
FDA Response Services

FDA Cybersecurity
Deficiency Response Services

Respond to FDA cybersecurity deficiency letters with confidence. We help you remediate gaps, strengthen security, and submit complete, compliant documentation faster.

2500+
Assessments Delivered
98%
Client Satisfaction
NDA
Protected
Deficiency Letter
Signature
FDA

TRUSTED BY LEADING MEDTECH COMPANIES

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Responding to FDA
Deficiency Letters Can Be
Complex and Time-Sensitive

FDA issues deficiency letters when cybersecurity risks, documentation gaps, or testing evidence do not meet regulatory expectations.

  • Delays can impact product approval and market access
  • Incomplete response can lead to repeated deficiencies
  • Tight timelines and strict documentation requirements

Common FDA Cybersecurity Deficiencies

Incomplete Threat Model

Missing or Incomplete SBOM

Inadequate Risk Assessment

Inefficient Penetration Testing

Missing SPDF Documentation

Poor Traceability & Design Rationale

Inadequate Security Architecture

Lack of Cybersecurity Processes

Our FDA Deficiency Response Services

End-to-end support to remediate gaps and build a strong, submission-ready response.

Gap Assessment

We review the FDA letter and identify all gaps and expectations.

Threat Modeling

We create or update threat models aligned with FDA guidance.

Security Risk Assessment

We assess and document security risks with evidence and mitigation.

Penetration Testing

We perform VAPT across web, mobile, API, network, cloud & devices.

SBOM Development

We generate accurate SBOM (CycloneDX / SPDX) with component mapping.

SPDF Documentation

We prepare complete SPDF documentation and test evidence.

FDA Submission Support

We help compile, review and submit response with confidence.

Our Deficiency Response Process

A proven, step-by-step approach to resolve deficiencies efficiently and effectively.

01

Review FDA Letter

We analyze the letter and extract all observations.

02

Gap Analysis

We map gaps against FDA guidance and requirements.

03

Technical Assessment

We assess architecture, security controls and documentation.

04

Security Testing

We perform VAPT and collect necessary evidence.

05

Internal Review

We review everything for accuracy and completeness.

06

Submission Support

We support you in submitting a strong, compliant response.

What You Will Receive

Comprehensive deliverables aligned with FDA expectations.

FDA Deficiency Response Report

Detailed response to each FDA observation.

Penetration Test Report

Complete VAPT report with findings and evidence.

Executive Summary

High-level summary for reviewers and leadership.

Threat Model

Updated threat model (STRIDE / TARA).

SBOM (CycloneDX / SPDX)

Software Bill of Materials with component details.

Risk Assessment

Documented risks with rating and mitigation.

Traceability Matrix

Linking requirements, design and test evidence.

SPDF Documentation

Complete SPDF package and templates.

Testimonials

What Our Clients Say About Us

Read what our clients say about our services. See how Qualysec has helped several businesses to keep their digital assets safe!

Kenny Kim

Qualysec did a great job identifying vulnerabilities in our web and cloud applications and gave us clear steps to fix them. They stuck to deadlines, handled re-tests, and supported well.

Kenny Kim

Product Manager

Viatechnic

Why Choose Qualysec?

We combine deep cybersecurity expertise with regulatory knowledge to deliver faster, better, and audit-ready outcomes.

  • FDA & Medical Device Security Experts
  • Manual + Automated Testing Approach
  • Fast Turnaround Without Compromising Quality
  • Remediation Support Included
  • Global Delivery Model with Flexible Engagements
More About Us
10+

Years of Security Expertise

2500+

Assessments Completed

120+

Vulnerabilities Identified (Avg.)

100%

FDA Requirements Addressed

45 Days

Avg. Deficiency Response Turnaround

95%

Client Retention Rate

Ready to Resolve Your
FDA Cybersecurity Deficiency?

Talk to our experts today and get a tailored remediation plan for your organization.

Expert Consultation

NDA Protected

Flexible Engagements

Quick Turnaround