Secure Software Development
Design and development of secure software systems with security architecture built into the development process from day one.
Overview
Key Benefits
- Security integrated into every phase of the development lifecycle
- Threat modeling and secure architecture design from project inception
- Reduced vulnerability surface through secure coding standards
- Continuous security testing and code review processes
Our Services
Secure Architecture Design
Designing software architectures with built-in security controls, authentication layers, and defense-in-depth strategies.
Secure SDLC Implementation
Integrating security checkpoints, code reviews, and automated scanning into your development pipeline.
Threat Modeling
Systematic identification and mitigation of potential threats before code is written.
Security Code Review
Manual and automated review of codebases to identify and remediate security weaknesses.
How an Engagement Works
- 1
Discovery and threat modeling
We map your assets, users, data flows, and trust boundaries, then model who could attack the system and how. The threat model becomes a living document that drives design decisions.
- 2
Secure architecture design
We design the system around the threat model: authentication and authorization layers, data classification, encryption at rest and in transit, and fail-closed error handling.
- 3
Implementation with secure coding standards
Development follows explicit rules - parameterized queries only, server-side validation at every trust boundary, no secrets in code - enforced through code review and automated scanning.
- 4
Security testing and review
Before release we run dependency audits, static analysis, and a manual security review of the authentication, authorization, and money-handling paths.
- 5
Hardened deployment and handover
We deploy with hardened configurations, TLS everywhere, security headers, and monitoring, then hand over documentation covering the security decisions and how to maintain them.
What You Receive
- A documented threat model for your system
- Secure architecture design and decision records
- Production application code with security controls implemented and tested
- Dependency audit and static analysis reports
- Deployment configuration with TLS, security headers, and least-privilege access
- Security documentation and maintenance guidance for your team
Technologies We Use
Frequently Asked Questions
What makes development "secure" rather than just standard development?
Standard development treats security as a review step at the end. Secure development starts from a threat model, encodes security rules into the architecture (deny-by-default authorization, validated inputs, parameterized queries, fail-closed errors), and verifies them continuously. The difference shows up in what does not happen: injection flaws, broken access control, and leaked secrets are prevented by construction rather than patched after discovery.
Do you follow recognised standards like OWASP?
Yes. Our secure coding rules are aligned with the OWASP Top 10 and the OWASP Application Security Verification Standard, and our testing follows the OWASP Testing Guide. For systems handling money we add financial-grade controls such as double-entry ledgers, idempotency keys, and append-only audit logs.
Can you secure an existing codebase, or only new builds?
Both. For existing systems we start with a security code review and threat model, prioritize findings by exploitability and impact, then remediate incrementally - usually starting with authentication, authorization, and input validation, since those carry the most risk.
How do you handle systems that process payments or sensitive records?
Money is never stored as floating point; we use integer minor units or decimal types with overflow checks. Personal data is encrypted at rest, access is role-based and logged, and every money-moving operation is idempotent and auditable. These are the same rules we apply in our own banking and payment products.
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