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Mobile apps for proof-of-delivery: DSG-compliant features and checklist
Practical guide: The must-have features for a DSG-compliant mobile proof-of-delivery app in Switzerland, plus a concise checklist for decision-makers.
Quick answer
A DSG-compliant proof-of-delivery app needs encrypted transmission and storage, granular access controls, auditable logs (audit-trails) and secure photo handling. These four areas lower privacy risk for pickups and deliveries in Zurich, Basel or Geneva and form the backbone of a secure digital delivery record.
Why data protection matters for delivery records
Delivery records often include personal data: names, signatures, location and photos. Switzerland’s DSG applies. A non-compliant app can cause reputational and legal risks. Retailers, manufacturers and service providers should therefore choose secure solutions.
1. Encryption: protect data in transit and at rest
All data must be encrypted during transfer and while stored. Use TLS for device-to-server connections. For stored data, use AES-256 or equivalent. Key management is critical: private keys must not be exposed in the app.
2. Access controls: least-privilege and role models
Grant only necessary permissions. Drivers need different rights than dispatchers or accounting. Use role-based access, Single Sign-On (SSO) and, where possible, multi-factor authentication (MFA). Auto-logout after inactivity helps reduce exposure.
3. Audit-trails: traceability and integrity
Audit-trails record who did what and when: uploads, signatures, edits. Make logs tamper-evident—signed entries or write-once storage help. Store metadata (timestamps, user ID, GPS) separately from the original file to support integrity claims.
4. Secure photo handling: metadata, storage, deletion
Photos often show sensitive material. Strip unnecessary metadata (EXIF) such as private GPS when not required. Store images encrypted and limit local caching time. Define automatic deletion rules aligned with retention policies.
5. Usability vs security: balance in the field
Security should not block daily work. Drivers need simple flows: capture photo, sign, send. Avoid complex steps that lead users to bypass protections. Run a field test in your operating area to validate workflows.
Frequently asked questions
Do I need a DSG-compliant app for deliveries within one canton?
Yes. The DSG covers personal data in Switzerland regardless of cantonal borders. Local delivery records still contain personal data and must be protected.
How does an audit-trail help with disputes?
A complete audit-trail provides timestamps, user IDs and recorded actions. It helps demonstrate when a record was created or changed during a dispute.
Should the app keep GPS in photos?
Only if the business process requires it. Otherwise strip GPS metadata to reduce privacy risk.
How long can I keep delivery records?
Retention depends on legal requirements and your policy. Keep data only as long as necessary and automate deletion where appropriate.