Defense in depth is a fundamental concept in Cybersecurity. This strategy involves layering multiple security measures to protect against various threats. Imagine a series of concentric circles, each representing a layer of defense, with the innermost circle being the most critical and the outer layers providing additional security.

ISACA published a report on “State of Cybersecurity 2022” in which they presented their findings on the global workforce. The most striking of all the findings is Figure 14 of the report showing major skill gaps among security professionals.