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As we've done at the end of each year, it's time to look back at what resonated most with you, our listeners. 2025 brought us some incredible episodes covering everything from fundamental security concepts to cutting-edge AI developments. But three episodes truly stood out—pulling the highest download numbers and sparking the most conversation.

These weren't just popular because they covered trending topics. They addressed real, practical challenges that defenders face every single day. So let's dive into the best of 2025.

First up: Episode 207 - Microsoft Windows Actively Exploited Vulnerabilities

Released on January 18th, this episode tackled something every Windows administrator loses sleep over—actively exploited vulnerabilities. We broke down three critical flaws that attackers were leveraging in the wild, and more importantly, what you needed to do about them right away. This episode hit home because it wasn't theoretical—these were real threats demanding immediate action.

Next: Episode 213 - Stealing Data in Plain Sight: How Cybercriminals Exfiltrate Your Secrets and How to Stop Them

Published on March 1st, this deep dive into data exfiltration struck a nerve. We explored how attackers don't just break in anymore—they quietly steal your most valuable assets while blending into normal network traffic. From DNS tunneling to cloud storage abuse, we covered the techniques defenders need to recognize and the controls that actually work. This episode became essential listening because data exfiltration isn't just a technical problem—it's a business survival issue.
And finally, wrapping up our 2025 year in review: Episode 219 - What Is Agentic AI?

Released on April 12th, this episode ventured into territory that's reshaping our entire field—Agentic AI. We explored autonomous systems that can make decisions and take actions without human intervention. Why did this resonate so strongly? Because AI agents aren't science fiction anymore—they're being deployed in security operations, and defenders need to understand both their potential and their risks. This episode helped demystify where AI is heading and what it means for everyday security professionals.

Enjoy!

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