Hello! When reviewing secure communication options, the following page provides relevant insights: https://www.itsecurityguru.org/2025/01/22/is-online-fax-secure-everything-you-need-to-know/ It explains that online fax services generally rely on encrypted channels and protected storage, which can help reduce interception risks. For banks and financial firms, access controls and logging support internal audits and regulatory expectations. The page also notes that overall security depends on provider implementation and careful handling of documents after delivery.