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Security

What protects your data.

No badges we don't hold, no claims we can't back. This page describes what is actually implemented - and it gets reviewed against the code.

Last reviewed: June 2026

01/In transit

Encrypted connections, everywhere

All traffic runs over HTTPS with HSTS preload. Strict security headers ship on every response: a content security policy, frame denial, MIME no-sniff and a locked-down permissions policy.

02/Your account

Passwords and sessions, done properly

Passwords are hashed with bcrypt (cost 12) and never stored or logged in plain text. Sessions live in the database and ride an httpOnly, secure cookie - they expire after 30 days and can be revoked server-side at any moment.

03/Your business data

Isolated per organization, encrypted where it matters most

Every query is scoped to your organization - one tenant can never read another's rows. Bank details are encrypted at rest with AES-256-GCM, an authenticated cipher that detects tampering.

04/Your invoices

An audit trail that is never rewritten

Every significant action on your business records lands in an append-only audit log. Each finalized invoice joins a per-organization SHA-256 integrity chain, and an evidence bundle - the invoice UBL plus its validation reports - is stored when the invoice is rendered or exported, built for the 10-year retention the DGI requires.

05/Payments

Your card never touches Hisab

All payments are processed by Paddle. Card numbers are entered in Paddle's checkout, stored on Paddle's PCI DSS-compliant infrastructure, and never pass through our servers. Webhooks are signature-verified before anything is processed.

06/Documents & PDFs

A separate, hardened service

PDF generation and document storage run on a dedicated service: every file and PDF route requires service authentication, files are confined to per-organization directories, and requests are size- and rate-limited.

07/Found something?

Tell me directly

Security reports go to contact@hisab.ma and reach me - Salah, the founder - directly. I read every report and respond personally. If you found a vulnerability, thank you: please include steps to reproduce.

A question this page didn't answer?

Write to contact@hisab.ma - it lands with the person who built the system.

contact@hisab.ma