How We Grew from IT to Cybersecurity

A couple of decades ago, the responsibilities of the information technology (IT) and cybersecurity workers were pretty much all lumped into one big circle of IT. There was really no division of responsibilities, or separation of duties.

Even though this works well for some organizations, a major trend became apparent starting around 2010. This is where the IT industry began formally dividing its IT and cybersecurity functions into two teams, or divisions. The first division focused on providing IT services. The second – cybersecurity – focused on securing those services.

Then, around 2015, the IT industry realized that a third element was very important: cybersecurity management.

The diagram below shows how one IT department has split into three over the past decade:
IT Infrastructure
Cybersecurity Operations
Cybersecurity Management


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