Cloud Signature (CSC)

A qualified electronic signature stored securely in the cloud. No hardware token required. Sign from any device, anywhere.

How it works

  • Your private key is stored in a certified HSM (Hardware Security Module)
  • Identity verified once via video identification — eIDAS compliant
  • Each signature authorized with a one-time password (OTP)
  • Signature produced remotely — no local software needed

Certificate types

Individual certificate

For natural persons. Qualified electronic signature under eIDAS Regulation 910/2014. Valid across all EU member states.

Enterprise certificate

For legal entities. Includes company name and registration number. Suitable for signing contracts, invoices, and official documents on behalf of the organization.

Key benefits

  • Issued same day — fully online process
  • Unlimited signatures during certificate validity
  • Compatible with PAdES, CAdES, XAdES, JAdES formats
  • Recognized legally across the European Union
  • Available via browser, desktop app, or REST API

Compliance

AlfaTrust Certification is a Qualified Trust Service Provider (QTSP) listed on the EU Trust List. All cloud certificates meet the requirements of eIDAS Regulation 910/2014 and ETSI EN 319 411.