The Voice of Cyber®

KBKast

Unlike every other security podcast, we don’t get stuck down in the technical weeds. Our remit is to speak with experts around the globe at the strategic level – how security technology can improve the experience and risk optimisation for every organisation.

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Newest Release

From The SimSpace Summit 2026 – KB On The Go | Rushell Hopkins and Stanley McChrystal (Part 2)

From The SimSpace Summit 2026 – KB On The Go | Rushell Hopkins and Stanley McChrystal (Part 2)

Cybersecurity is hitting a breaking point. Compliance checklists, tabletop exercises and confidence claims aren't enough anymore, especially as AI accelerates both attack and defense. In this bonus episode, KB sits down with Rushell Hopkins, Professor of Cybersecurity and Computer Science, Florida SouthWestern State College and Stan McChrystal, CEO and Chairman at McChrystal Group. Together they discuss the future of cyber workforce and winning the cyber war without a map. Rushell Hopkins, Professor of Cybersecurity and Computer Science, Florida SouthWestern State College Rushell Hopkins is a Professor of Cybersecurity and Computer Science with more than thirty years of combined experience spanning ...
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About Your Host

Karissa Breen, more commonly known as KB, is crowned a LinkedIn ‘Top Voice in Technology’, and widely recognised across the global cybersecurity industry. A serial entrepreneur, she is the co-founder of the TMFE Group, a portfolio of cybersecurity-focused businesses spanning an industry-leading media platform, a specialist marketing agency, a content production studio, and the executive headhunting firm, MercSec.

Now based in the United States, KB oversees US editorial operations and leads the expansion of the group’s media footprint across North America, while maintaining a strong presence in Australia, and the broader global market.

She is the former Producer and Host of the streaming show 2Fa.tv, and currently sits at the helm of journalism for the group’s flagship arm, KBI.Media, the independent cybersecurity media company.

As a cybersecurity investigative journalist, KB hosts her globally-renowned podcast, KBKast, where she interviews leading cybersecurity practitioners, CISOs, government officials including heads-of-state, and industry pioneers from around the world. The podcast has been downloaded in over 65 countries with more than 400,000 global downloads, influencing billions of dollars in cybersecurity budgets.

KB is known for asking the hard questions and extracting real, commercially relevant insights. Her approach provides an uncoloured, strategic lens on the evolving cybersecurity landscape, demystifying complex security issues and translating them into practical intelligence for executives navigating risk, regulation, and rapid technological change.

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What We Do

KBI.Media is The Voice of Cyber.

We broadcast some of the most important and informative cyber content from some of the largest organisations, governments, and promising start-ups from around the world.
We're also responsible for creating a lot of it..

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