How cross-site scripting reaches UI sinks, what React/HTML escaping does and doesn’t save, and layered defenses.

intermediate

Frontend Security Threat Model explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

XSS Prevention Checklist explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

CSRF Basics for SPAs explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Content Security Policy explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

advanced

Secure Cookie Flags explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

JWT Storage Pitfalls explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Open Redirects explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Clickjacking and X-Frame-Options explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Subresource Integrity explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Dependency Supply Chain Risk explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Secrets in Frontend Bundles explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

beginner

HTTPS and Mixed Content explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

beginner

Safe URL Handling explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

postMessage Security explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

advanced

Sandboxing iframes explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

advanced

Auth Session UX Security explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Rate Limiting UX Considerations explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

intermediate

Privacy and Fingerprinting Basics explained for frontend engineers — mental model, examples, common mistakes, and interview tips.

advanced