Blog & Insights
Engineering insights, best practices, and technology guides from the SIMA DigiTech team.
Secure File Upload Architecture in PHP
MIME sniffing, extension validation, and secure storage for user uploads.
PHP Session Security Best Practices
HttpOnly, Secure cookies, and session fixation defense for safe user sessions.
Password Hashing Best Practices
bcrypt, argon2, and why you should never roll your own password storage.
JWT vs. Session Authentication
When JWTs make sense and when server-side sessions are the simpler, safer choice.
Securing Admin Panels and Internal Tools
Least-privilege access, audit logging, and multi-factor auth for internal tools.
Security Headers Explained
CSP, HSTS, and X-Frame-Options — the headers that harden your web applications.
Mobile App Authentication Best Practices
Secure token storage, biometrics, and session handling on iOS and Android.
Push Notification Architecture
Delivery, batching, and personalization for push notifications that users don't mute.
Offline-First Mobile App Design
Local storage, sync queues, and conflict handling for apps that work without a connection.
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