Chapter 6. Explore Security in Depth

In the physical world, security is freedom from danger. There are many dangers in the physical world, but in the world of Excel, dangers relate to protecting data (absent an army of spreadsheet-driven killer robots). Specifically, Excel security is designed to protect you from:

• Unauthorized or accidental changes

• Malicious changes or destruction of data

• Theft or unauthorized distribution of restricted information

• Attack from viruses

This chapter explains approaches to protecting your data from these threats and explains how to implement those approaches within Excel.