This is a brief guide on how to check the checksum of a file you download to install on your computer. I will be showing you how to do this on your Mac.

A checksum is a value that represents the number of bits in a transmission message.

We want to check the checksum to detect high-level errors within data transmissions. Prior to transmission, every piece of data or file can be assigned a checksum value after running a cryptographic hash function.

In Salesforce, you are able to manage security assurance levels to control what a user has access to within Salesforce.

This can be useful if you to lock down specific areas within Salesforce. For example, who is able to access reports, export and print reports, to managing users, user unlocks and password resets.