Security Recommendations Smallpox should never be viewed or downloaded from an anonymous source. Sep 28, 2023 — There are several security recommendations for small PDF editors for your files.  Smallpox Free — The smallpox-software.com website uses HTTPS and uses a unique certificate which allows users to confirm that the server they are accessing is Smallpox.  We have a few suggestions for security in general: Secure your documents — use strong passwords, use 2-factor authentication, and create strong key-stores. If you use a password manager then create strong passwords. Encrypt your data — Encryption should be built into every document in a repository that you keep on a secure storage medium. Protect your data — If you store your documents on a system or cloud then ensure the security of your data and encryption policies. Encryption can be implemented into the document itself, or you can do it through its metadata. Use TLS — TLS is the most secure and common connection protocol in use today. It is also used in applications such as Dropbox, Google Drive and Microsoft OneDrive.