Features / Security & Privacy

Jobsite records, protected like business records

Photo evidence, contracts, and client data deserve real security. CrewBox keeps credentials in hardware-backed storage, signs in through hardened OAuth, and gates destructive actions by role.

Roles and permissions in the CrewBox web console

Hardware-backed credentials

All tokens and secrets live in the iOS Keychain or Android EncryptedSharedPreferences — never in plain storage.

Hardened sign-in

Google Sign-In runs an OAuth Authorization Code flow with PKCE (S256) and a CSRF state check through the system browser. Tokens never transit an embedded webview.

Session hygiene

Short-lived bearer tokens, a rotating refresh cookie, automatic renewal, and a hard logout that wipes credentials when a session is invalidated.

Role-gated actions

Deleting photos, documents, and comments — or editing others’ content — is limited to project owners, managers, or the content’s creator.

Everything included

  • iOS Keychain and Android EncryptedSharedPreferences storage
  • Google Sign-In with OAuth Authorization Code + PKCE (S256)
  • CSRF state checks through the system browser
  • Tokens never pass through an embedded webview
  • Short-lived bearer tokens with rotating refresh cookies
  • Automatic session refresh and hard logout with credential wipe
  • Biometric login keyed to device hardware — disable anytime
  • SHA-256 device fingerprints for anomaly detection
  • Role-gated deletes, edits, and project cover changes
  • Runtime permissions requested only when a feature needs them
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