UK businesses are short of skilled cybersecurity professionals, and the number of vacancies is in the tens of thousands.

Worldwide, the shortfall is in the millions.

But what are the reasons? Is it cultural, problems with education, a lack of diversity?

And what is the impact on organisations in the public and private sector?

Over the next few weeks, Security Insights will attempt to answer at least some of these questions.

Our first guest in the series is Deryck Mitchelson, former Director of National Digital and Chief Information Security Officer at NHS Scotland, and now global CIO and CISO at Check Point.