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A single click can be the start of a breach, but the request that happens right before that click loads a page is even more revealing. We sit down with Ken Carnesi, Chief Executive Officer & Co-Founder, DNSFilter to unpack why DNS security is such a powerful point of control in modern cybersecurity and why so many attacks touch the domain name system somewhere along the way. If you’ve ever heard the saying “it’s always DNS,” you’ll understand it at a deeper level by the end of this conversation.
We walk through how DNS filtering works in real life, from blocking obvious malicious domains to catching brand-new phishing links before traditional tools have time to catch up. Ken shares how machine learning can categorize and re-categorize domains fast, why “good yesterday” does not mean “safe today,” and what that means for enterprise security teams trying to protect employees, guest Wi‑Fi, and hard-to-manage devices like IoT and specialized equipment. We also get honest about limits: DNS is not the only layer you need, and defense in depth still matters.
Then we go straight into the AI shift. Ken explains DNSFilter’s Luminate launch, including Agent Shield, built for a world where AI agents generate their own traffic and may soon outnumber humans online. We also talk about the attacker side, why the pace of “Black October” feels different, and a practical takeaway for CISOs: start using the same AI-powered tools against your own environment more frequently so you can react in days and hours, not weeks.
If you care about DNS security, phishing protection, threat intelligence, and what AI means for the next era of network security, hit subscribe, share this with a teammate, and leave a review with your biggest question about securing AI agents.
Learn more about Microsoft's ISOC announcement: https://fandf.co/4iQ9b5n
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