Cardintel Security Framework
Secure by design, stronger at every layer.
Cardintel should protect accounts, card data, payment flows, saved cards, and public profile links with practical security controls that can grow with the platform.
What Was Added
A stronger front-end security layer for Cardintel cards.
The new security helper gives the site one shared place to handle common risky inputs before they are shown on public cards or dashboard card lists.
Card names, emails, phone numbers, descriptions, tags, and saved-card details are escaped before being inserted into the page.
Business links, websites, directions, review links, ordering links, and social links are sanitized before becoming clickable.
The shared browser guard blocks unsafe protocols such as script-style links if a bad link somehow reaches the page.
Card IDs are encoded in view links and escaped in dashboard button actions so they cannot break the page structure.
Payment secrets stay server-side. Public pages only call safe checkout paths or hosted payment links.
The hosting headers file now includes stricter browser protections for content policy, referrers, framing, permissions, and HTTPS.
Production Checklist
The live website still needs these controls turned on.
Code hardening helps, but the strongest protection comes from combining the code with the right settings in hosting, database, payment, and admin accounts.
Security Roadmap
What to strengthen next as Cardintel grows.
Move inline scripts into separate files and tighten the content security policy with nonces or hashes. That will make the browser security policy much stronger while keeping the current static website usable today.
Add role-based permissions for Cardintel owners, support, business admins, team managers, and regular users.
Record important account, card, payment, and admin changes so suspicious activity can be reviewed.
Add limits for login, password reset, card saving, contact forms, AI prompts, and public profile actions.
Schedule secure backups for Supabase data and verify that customer records can be restored if needed.
Let users decide which public card fields are visible, hidden, or available only to saved contacts.
Use the broader trust roadmap to plan physical security, device security, identity protection, AI security, incident response, disaster recovery, and enterprise readiness.