How are files and data secured?

All the files and data uploaded to Closd are encrypted with a strong military-grade AES-256 cipher.

The connection between clients and Closd is encrypted through the industry standard TLS protocol, the best market standard.

Furthermore, Closd has security audits and penetration tests conducted every year by certified providers.

Where and how are files and data stored?

All files and data are exclusively hosted in the EU by OVHcloud, a top-tier worldwide cloud services provider. Our clients’ data is backed up on an hourly basis on storage drives that benefit from a live triple replication in order to prevent any data loss.

When a project is closed, all related data and files are permanently wiped from our disks. Closd therefore does not store any data without its clients’ approval.

How are users authenticated?

Access to Closd is by invitation only, through a secure password. Our system detects and prevents concurrent logins from two separate sessions.

2-factor authentication or Single Sign-On can be implemented to further reinforce security at login.

Two additional layers of security are necessary for electronic signatures and contribute to guaranteeing the identity of the signatory:

  • An automated ID document verification is performed to cross check the user’s profile and detect traces of tampering within the document;
  • A one-time password is sent by SMS to the number that the user registered as their mobile phone.

Are users' actions recorded?

All user actions are recorded on an activity log that is accessible to System Administrators. This allows us to investigate any potential breach of issue within a project and to identify which accounts could potentially have been compromised.


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