Security

5 articles on security from the BetterFileTransfer blog: practical writing on sending large files, link expiry and end-to-end encryption.

Security5 min read

What end-to-end encryption actually means for the files you send

Nearly every file service says it encrypts your files, and almost none of them mean the same thing. Here is the difference that decides whether the company holding your file can open it, and how to tell from the outside.

Aug 14, 2026

Security4 min read

Password-protecting a file is not the same as encrypting it

Three different things go by the same name, and one of them is a door with a lock painted on it. How to tell which you have, why legacy zip encryption is worthless, and the mistake that undoes all of it.

Jul 21, 2026

Security4 min read

How to send files securely, without turning it into a project

Most people worry about interception and are actually exposed by a link that outlived its purpose. Name the threat first, then pick the method — and a short routine that covers nearly every real case.

Jul 10, 2026

Security4 min read

Sending sensitive documents: a twelve-point checklist

Passports, payslips, contracts and medical letters get sent with about as much thought as a holiday photo. Run this before you attach anything, and know what to do in the first ten minutes if it goes wrong.

Jul 3, 2026

Security4 min read

File sharing and GDPR: the parts that actually apply

Sending a spreadsheet of customer records to an agency is a transfer of personal data whether or not anyone thought about it. A practical read of the parts that touch file sharing, and what to do in the first hour if it goes wrong.

Jun 16, 2026