Fingertip utilizes Salesforces security structure. RACI-model helps you to share records between users more easily, but it doesn’t override Salesforce’s security settings.
When you access the application using a Salesforce-supported browser, Transport Layer Security (TLS) technology protects your information using both server authentication and classic encryption, ensuring that your data is safe, secure, and available only to registered users in your org.
Read more about Salesforce’s security structure here.