Secure Your Software
Security architecture, data integrity, and compliance consulting. We help organizations eliminate identity debt, implement cryptographic guarantees, and meet regulatory requirements.
Our Services
We provide specialized security consulting to help protect your applications and ensure compliance with industry standards.
Forensic Identity Audit
A standard code review looks for bugs. A Forensic Audit looks for “Authority Leakage.” We deep-dive into JWT validation, claim-mapping, and permission logic to find the vulnerabilities that attackers actually exploit.
Security Assessment
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Compliance & Audit Readiness
Audit fatigue is real. We help teams move from “Fire Drills” to “Always-Ready” by baking compliance into code through automated verification, OSCAL documentation, and privacy-first PII handling.
SOC2 / HIPAA / GDPR
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Secure Infrastructure
From tamper-evident audit logs to automated secret rotation and break-glass access protocols. We implement the cryptographic foundations that compliance frameworks require.
Implementation
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M&A Technical Due Diligence
We help private equity firms and acquiring companies audit the “Security Debt” of a target .NET platform before they buy it.
Acquisitions
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Fractional Identity Architect
Your team ships features. We ensure your security posture doesn't drift. Monthly retainer for identity PR reviews, Key Vault health checks, and architecture guidance.
Ongoing Support
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General Consulting
Custom software development and technical consulting. From health and safety platforms to payment processing and LMS integrations — we help businesses solve complex problems with tailored solutions.
Custom Solutions
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Open Source
Starbase
A secure, enterprise-ready .NET API template with Clean Architecture. Batteries included.
dotnet new install StarbaseSecurity (Production-Ready)
- JWT Authentication with secure refresh token rotation
- Multi-Factor Authentication (TOTP, Email, WebAuthn/Passkeys)
- Rate Limiting with per-endpoint policies
- Account Lockout with exponential backoff
- Security Headers (CSP, HSTS, X-Frame-Options)
Enterprise Features
- Hash-chained audit logging with SQL Server partitioning
- Kubernetes-ready health checks
- Serilog + OpenTelemetry observability
- Multi-stage Docker builds with non-root user
- Clean Architecture with four layers
Philosophy: Secure by default. If a 3-person startup can ship with MFA, rate limiting, and proper audit logging, the world has better cybersecurity.
About Us
Red Cardinal Software is a security consulting firm specializing in .NET platform security and identity architecture. We help organizations eliminate vulnerabilities in authentication, authorization, and compliance before they become breaches.
We bring experience from startups and enterprises alike, and understand that security must enable business, not hinder it.
Published Research
Our security research has resulted in published CVEs through our sister MSP company, Sparrow IT Solutions:
- CVE-2025-9037
- CVE-2025-9040
Expertise
Deep knowledge of secure development practices and compliance frameworks
Clarity
Clear, actionable recommendations you can implement immediately
Partnership
We work alongside your team, not as outside critics
Get in Touch
Ready to improve your security posture? Let's discuss how we can help.