Secure-by-design application security for regulated software.
Secure-by-design is not a policy statement. It requires continuous proof that applications, APIs, dependencies, workflows, and remediation controls are secure before release, after release, and as systems change. Aptori operationalizes secure-by-design through runtime validation, API security testing, secure code review, AI remediation, SBOM visibility, and audit-ready evidence.
Secure-by-design requires continuous evidence, not just secure development policies.
Regulators increasingly expect organizations to demonstrate that security is operationalized throughout the software lifecycle. Applications, APIs, dependencies, identities, and workflows must be continuously validated, monitored, remediated, and supported with evidence.
Software is continuously changing
Cloud-native applications, APIs, third-party integrations, and CI/CD pipelines create constant change across regulated environments.
Regulators now expect proof
Frameworks like EU CRA, NIS2, PCI DSS, and UK TSA increasingly require operational evidence for vulnerability handling, remediation, and secure development.
Runtime behavior determines risk
Real security depends on how applications and APIs behave under runtime conditions, not just how they appear in source code or policies.
Move from secure development activity to runtime-backed proof.
Validate applications, APIs, dependencies, remediation, and exploitability continuously.
Validate secure-by-design controls across code, APIs, dependencies, and runtime behavior.
Secure-by-design application security requires continuous visibility and validation across development, testing, deployment, runtime operation, vulnerability management, and remediation workflows.
Threat-aware development
Build security validation directly into development, CI/CD, and release workflows.
Secure code review
Validate control flow, data flow, authorization logic, dependency usage, and risky code patterns.
API security validation
Test identity, authorization, object access, workflow abuse, and business logic continuously.
Dependency visibility
Track SBOMs, reachability, supplier exposure, vulnerable packages, and remediation status.
Runtime validation
Prove whether weaknesses are exploitable in real application and API behavior.
Remediation and retesting
Validate fixes continuously and preserve remediation evidence.
Continuous vulnerability management
Prioritize and resolve vulnerabilities based on exploitability and business impact.
Audit-ready evidence
Generate evidence supporting secure development, testing, remediation, and governance.
Operationalize secure-by-design across the SDLC.
Aptori connects secure development, runtime validation, remediation, and evidence generation into one continuous operating model.
Operationalize secure-by-design for EU CRA, NIS2, PCI DSS, and UK TSA.
Modern compliance frameworks increasingly require organizations to demonstrate secure development, vulnerability handling, runtime validation, remediation, and continuous operational evidence.
Connect secure development to runtime-backed proof.
Aptori combines secure code review, API testing, runtime validation, SBOM visibility, vulnerability management, AI remediation, and audit evidence into one secure-by-design operating model.
Secure Code Review
Analyze control flow, data flow, dependencies, risky code paths, and remediation quality. Explore Secure Code Review.
API Security Testing
Validate authentication, authorization, business logic, object ownership, and workflow abuse continuously. Explore API Security Testing.
Semantic Runtime Validation
Prove exploitability in real runtime behavior across applications and APIs. Explore Semantic Runtime Validation.
SCA and SBOM
Track dependencies, reachability, supplier exposure, vulnerable packages, and remediation status. Explore Software Composition Analysis.
Continuous Vulnerability Management
Prioritize vulnerabilities based on real exploitability and business impact. Explore Continuous Vulnerability Management.
AI Security Engineer
Use AI-assisted remediation to guide fixes, validate changes, and preserve operational evidence. Explore AI Security Engineer.
Generate secure-by-design evidence across the SDLC.
Connect testing, runtime validation, remediation, retesting, SBOMs, and audit evidence into one workflow.
Secure-by-design is becoming a global operational expectation.
Organizations are increasingly expected to move beyond reactive security models and build security directly into software development and operational workflows. The CISA Secure by Design initiative reinforces the importance of proactive, secure software engineering and continuous validation.
Shift security earlier
Validate risky behavior during development, testing, CI/CD, and release workflows.
Reduce exploitable paths
Focus remediation on vulnerabilities that are reachable and exploitable in runtime behavior.
Continuously validate
Generate evidence that security controls remain effective as systems evolve.
Explore the secure-by-design compliance cluster.
This page bridges the secure-by-design strategic pillar with implementation-focused compliance, runtime validation, API security, vulnerability management, and evidence workflows.
Secure By Design
The primary Secure By Design pillar for software, APIs, AI applications, runtime validation, and compliance evidence.
Application Security Compliance
The compliance pillar for PCI DSS, NIS2, EU CRA, and UK TSA.
API Security Compliance
Validate authorization, object access, workflow integrity, and API evidence.
Semantic Runtime Validation
Prove exploitability in runtime behavior across applications and APIs.
EU CRA Compliance
Secure-by-design product security, SBOMs, CSAF workflows, and evidence.
NIS2 Compliance
Risk management, incident readiness, and operational assurance evidence.
PCI DSS Compliance
Payment API security, runtime validation, and remediation evidence.
UK TSA Compliance
Telecom operational assurance and API validation evidence.
Secure-by-design application security questions.
What is secure-by-design application security?
Secure-by-design application security means continuously validating that applications, APIs, dependencies, and workflows are secure throughout the software lifecycle and in runtime behavior.
How does secure-by-design differ from traditional AppSec?
Traditional AppSec often focuses on findings and scans. Secure-by-design focuses on continuously validating whether systems behave securely in real operational conditions.
Why does secure-by-design matter for compliance?
Modern regulations increasingly require organizations to demonstrate secure development, vulnerability management, remediation, and operational evidence across the software lifecycle.
How does Aptori support secure-by-design?
Aptori supports secure-by-design through secure code review, API testing, runtime validation, SBOM visibility, vulnerability management, AI remediation, and audit-ready evidence.
How does runtime validation support secure-by-design?
Runtime validation proves whether weaknesses are exploitable in real application and API behavior, helping teams prioritize remediation and validate control effectiveness.
How does secure-by-design support EU CRA?
EU CRA emphasizes secure-by-design product development, vulnerability handling, SBOM visibility, and lifecycle evidence. Aptori operationalizes these workflows through continuous validation and evidence generation.
Can Aptori generate secure-by-design evidence?
Yes. Aptori can generate evidence from testing, runtime validation, vulnerability remediation, retesting, SBOM visibility, and secure development workflows.
Operationalize secure-by-design across applications and APIs.
See how Aptori helps organizations continuously validate secure development, API security, runtime exploitability, remediation, SBOM visibility, and audit-ready evidence across regulated environments.
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