Secure applications and software

Secure, resilient applications built with security by design across your entire SDLC.

Cybersecurity
Cybersecurity services
Technical cyber consulting

Thales delivers secure-by-design software and application security services to help organisations build resilient, compliant applications, reduce cyber risk and protect critical business data.

Build high-quality, highly secure software with our application security team Flexible cleared experts

Secure software development and application security expertise across the entire application lifecycle.

Security by design SDLC

Thales embeds security by design across the entire software development lifecycle, integrating compliance, DevSecOps practices and rigorous security testing to deliver secure, resilient and scalable applications, reducing vulnerabilities early and avoiding costly fixes in production.
Flexible cleared experts

Our security-cleared specialists support every stage of delivery, from business analysis and system design to full system builds, secure integration, maintenance and application security engineering.
Legacy app protection

We strengthen existing and legacy applications with secure new feature development, burst capacity for time-critical projects, vulnerability remediation and secure maintenance, ensuring long-term resilience and business continuity.
Secure code reviews

We assess applications, source code and development environments through Secure-by-Design, Secure Code, SDLC and UI/UX reviews aligned with OWASP and industry best practices.
Managed app security

Protect web applications and APIs with Managed Application Security, combining WAF, DAST, API security and 24/7 monitoring for continuous threat detection and response.
Compliance by design

We align application security with recognised frameworks and regulations, including the Information Security Manual, Protective Security Policy Framework and country-specific regulations, to ensure compliance by design.

What is secure software & application security?

Secure Software and Application Security protects applications throughout the SDLC, from design to operations. It combines secure development, application security assessments, penetration testing, compliance validation and SOC integration to deliver resilient, secure-by-design applications. As part of the Thales Cyber Services portfolio, these services help organisations build applications that withstand real-world cyber threats.

As organisations accelerate digital delivery, demand for secure, high-quality software exceeds available resources. Securing applications is no longer optional but a fundamental requirement to ensure business continuity and digital trust. Thales provides flexible, security cleared experts who integrate into your environment to deliver secure-by-design applications, tackle complex software challenges and ensure long-term resilience.

Our secure software and application security services

Our secure by design application development covers your full digital journey, from business case and system design to full-scale builds and secure integration. We embed compliance requirements, DevSecOps practices and rigorous security testing to deliver bespoke, secure, scalable software aligned with your business objectives.

We strengthen existing and legacy applications through secure feature development, vulnerability remediation, secure maintenance and expert support for time-critical projects. Our specialists extend application lifecycles, improve resilience and help organisations maintain secure, reliable software environments.

Application and software security reviews assess security, resilience and code quality to identify vulnerabilities, architectural weaknesses and operational risks. Aligned with OWASP Top 10, OWASP ASVS and OWASP API Security Top 10, they provide clear, prioritised remediation guidance. Combined with Managed Application Security services including WAF, DAST, API Security and 24/7 monitoring, they deliver continuous protection beyond point-in-time assessments.