LockLizard Blog: Document Security and PDF DRM Blogs

How to insert a Watermark in Excel and prevent removal

in Blog, Document Security, DRM, PDF Security

How to add or insert a watermark in Excel & make it permanent

Learn to insert a watermark in Excel, how easy it is for users to remove a watermark in Excel even if it is edit protected, and how to add permanent watermarks that cannot be removed.

How to Password Protect an Excel File

in Blog, Document Security, DRM, PDF Security

How to Protect an Excel File to prevent copying & restrict editing

The security features Excel has to protect XLSX or XLS spreadsheets and why they are useless. Learn how to secure your workbooks and worksheets without passwords, and how to encrypt them to restrict editing and printing, and prevent copying and sharing.

Are Virtual Data Rooms (VDRs) Secure?

in Blog, Document Security, DRM, PDF Security

Secure Virtual Data Room Solutions – are they just Snake Oil?

Secure virtual data room (VDR) systems don’t stop users from sharing documents. Here, we explore the reality of safe data rooms and explain why they are useless for secure document sharing. Read more