Contact person: Secure XLSM VBA Project

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Location: Lima, Peru

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need a robust way to stop anyone from renaming my macro-enabled Excel file to .zip, extracting [login to view URL], tweaking the CMG / DPB / GC keys (they become CMC / DPC / CC), and instantly bypassing the built-in VBA password. The goal is simple: users must still be able to run every macro and interact with the workbook, yet those keys—and the entire VBA project—must remain unreadable and uneditable.

If you have a proven technique, whether it involves stronger internal encryption, obfuscation of those three keys, extra workbook-open hooks, or any other reliable approach that survives file saves and version changes, I’m interested. I don’t want external helper apps; the protection must travel with the file itself.

Deliverables:
• One protected .xlsm sample demonstrating the solution
• Clear, step-by-step guidance so I can reproduce the process on other workbooks

I’ll test by attempting the usual .zip extraction and key swap; if the modules still run but the code remains inaccessible, we’re done." (client-provided description)