What secure source-code review is
Secure source-code review is a structured security assessment that examines application source code to identify vulnerabilities, insecure coding practices and logic flaws before deployment. Specialists analyse how you handle authentication, authorisation, input validation and data.
Finding weaknesses at the code level — injection flaws, authentication gaps, insecure data handling — before they reach production reduces remediation cost, strengthens application security and lets you ship more resilient software.
Who needs a secure code review
Review matters most where an application handles sensitive data, money or regulated information:
- Product and engineering teams shipping applications that process sensitive or payment data.
- Fintech, banking and payment platforms with regulatory secure-development obligations.
- Organisations meeting OWASP, PCI DSS or ISO 27001 secure-coding requirements.
- Teams preparing a critical application or API for production release.
- Businesses embedding security into their software development lifecycle and DevOps.
CyberSigma’s role
We review the codebase, run automated and expert-led analysis, validate exploitability, rank findings by business impact, and deliver developer-ready remediation aligned to secure coding standards — then re-review to confirm closure. The review fits into your development and DevOps process.
Manual and automated analysis
Tooling covers breadth across large codebases; expert-led manual review catches the logic flaws, authentication weaknesses and hidden vulnerabilities automated tools miss. Together they cover your whole codebase with genuine, prioritised findings.
How we deliver
Scoping and context
We agree the codebase, languages and frameworks in scope, and gather the architecture, data flows and documentation we need — so the review is anchored in how your application actually works.
Automated analysis
We run static analysis and security tooling across the codebase to find common vulnerabilities at scale — injection risks, misconfigurations and insecure dependencies — and to focus the manual review.
Manual expert review
Our specialists review the code by hand — line by line where it matters — for logic flaws, authentication and authorisation weaknesses, insecure data handling and issues automated tools miss.
Validation and risk rating
We confirm real exploitability, remove false positives, and classify each issue by severity, impact and exploitability, with the exact code references.
Reporting and remediation guidance
We deliver an executive summary and detailed technical findings with proof-of-concept evidence, step-by-step remediation aligned to secure coding standards, and guidance to strengthen your development practices.
Retest and closure
After you remediate, we re-review the resolved issues and confirm closure, so you know the fixes hold before release.
What you receive
- Executive summary of findings, business risk and remediation priorities
- Detailed technical findings with vulnerability descriptions and code references
- Proof-of-concept evidence showing how issues could be exploited
- Risk severity classification by impact and exploitability
- Step-by-step remediation guidance aligned with secure coding standards
- Secure coding recommendations to raise long-term application security maturity
- Retesting and validation report confirming closure
Indicative timeline
A typical review runs from about one to three weeks, depending on the size of the codebase, the number of languages and frameworks, and how much of the review is manual versus automated.
Timelines vary with scope; we confirm a schedule after scoping.
Vulnerabilities we identify
Across application logic, data handling and dependencies, the review commonly surfaces weaknesses such as:
Injection vulnerabilities
SQL, command and deserialisation flaws from improper input validation and insecure data handling.
Broken authentication and session management
Weak password handling, improper session controls and insecure token management.
Authorisation and access-control flaws
Privilege escalation and improper role-based access checks that allow unauthorised actions.
Insecure data handling
Improper encryption, hardcoded credentials, sensitive data exposure and unsafe logging.
Business logic errors
Transaction bypass, race conditions and logic manipulation affecting application behaviour.
Security misconfigurations
Insecure framework configurations, debug settings and improper error handling.
Insecure third-party dependencies
Outdated packages and external components with known vulnerabilities.
Improper error and exception handling
Error messages that expose internal system detail useful to attackers.
Representative engagement
A fintech team needed assurance that a payment-processing application was secure before release. We reviewed the codebase with automated analysis and expert-led manual review, focusing on authentication, authorisation and data handling, validated the findings with code references and proof of concept, and delivered developer-ready remediation — then re-reviewed to confirm the critical issues were closed. Named client references are available under NDA on request.
Who leads your engagement
Your engagement is led by senior secure-code-review specialists across modern languages and frameworks — who translate findings into practical remediation for developers. Every report passes independent quality review before it reaches you. All engagements are covered by strict confidentiality and non-disclosure agreements. We introduce your named lead on the first call.
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Frequently asked questions
What is secure source code review?
Secure source code review is a structured security assessment where CyberSigma analyses your application's source code to identify vulnerabilities, insecure coding practices and logic flaws before deployment.
How is secure source code review different from penetration testing?
Penetration testing evaluates running applications, while secure source code review analyses the actual source code to uncover deeper logic and structural security issues.
When should we conduct a secure source code review?
We recommend it before major releases, after significant code changes or during secure development lifecycle implementation.
What types of vulnerabilities are identified?
CyberSigma identifies injection flaws, authentication gaps, authorisation issues, insecure data handling and business logic vulnerabilities.
Do you follow OWASP standards?
Yes. Our review aligns with OWASP guidelines and secure coding standards.
What programming languages do you support?
We review major languages including Java, .NET, Python, PHP, Node.js and others.
How long does a secure source code review take?
The timeline depends on application size and complexity, typically one to three weeks.
What is the difference between automated and manual secure code review?
Automated review uses specialised tools to scan large codebases for common vulnerabilities and insecure patterns, while manual review has specialists analyse code line-by-line to identify complex logic flaws and advanced security weaknesses.
Can secure source code review help with compliance?
Yes. It supports compliance with standards such as PCI DSS, ISO 27001, HIPAA and SOC 2.
Is secure source code review safe for confidential projects?
Yes. CyberSigma signs an NDA and maintains strict confidentiality throughout the review process.
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