What you are using (Windows, macOS, Linux)? If you are trying to restore it or just open it?
Encrypt the bk.7z file using 7-Zip’s encryption feature. What you are using (Windows, macOS, Linux)
As identified in security reports, leaving backup files (like bk.7z , db.sql , backup.zip ) accessible in your public web directory is a security risk. What you are using (Windows
Move backup files to a private folder outside the web root or on an external server. leaving backup files (like bk.7z