In my previous article on aggression in dogs, I relied primarily on my early observations and the writings of Armin Winkler. Then I met Rocky.

I had never worked with a dog like Rocky. He displayed an exceptionally high level of aggression combined with an extremely low threat threshold—a dangerous combination. Beyond learning how to train him, my greatest challenge was understanding what truly drove his behavior. How could I explain his reactions in terms of drives and emotions? None of the explanations I had learned from Armin fully fit what I was seeing.

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At the time of publishing of this article, the specific circumstances surrounding what happened to Nancy Guthrie—the mother of NBC newscaster Savannah Guthrie—are not fully known. Reports indicate she may have been abducted or harmed during a Nancy Guthrie Home Invasion, but the details remain unclear. Our thoughts are with Nancy Guthrie and her family during this difficult time. Incidents like these underscore the importance of home security for everyone. Examining this unfortunate event highlights the need to consider whether such tragedies might be preventable with comprehensive security measures in place.

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K9 Tech Security introduced a new perimeter protection solution system for businesses in the greater Philadelphia area in late 2025. We are pleased to share that our system has operated smoothly for more than six months, and just last week, it successfully stopped an attempted criminal break-in at a customer’s Philadelphia location.

Intruder identified by K9 Tech Security intelligent system
Intruder Identified
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With the conclusion of the Israel-Iran war and the elimination of most of the Iranian nuclear program and many of its ballistic missiles, are we in US more secure today than before? This article is not about politics, but about the safety of Americans.

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I have been thinking for a while about the amazingly good match between Rocky (BRN 52817) and Luna (BRN 51086). It is not that common for a breeder to intimately know both dogs. I have been training Luna ever since I got her as a puppy, and I have been training Rocky for over eight months. They both have incredible Dutch working pedigrees. I am very confident that their traits and abilities complement each other so very well. Let’s look in more detail at the potential of Rocky and Luna’s offspring.

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The murder of the UnitedHealthcare CEO Brian Thompson in New York has been in the news lately. Some may ask a hypothetical question, if Brian had a personal protection dog (PPD) with him, could this dog have prevented his murder? Based on my analysis of the murder video reported by New York Post, I think that there was a good possibility that a PPD could have prevented his death.

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The best results in many areas are achieved by balance between various factors. Usually, extremes without a balance do not achieve optimum results. This is true for the performance of working dogs. I already covered the subject of aggression in one of my previous articles on this website. This article discusses the balance between caution and confidence. This is well illustrated by studying the behavior of our two working K9 dogs — Luna and Rocky.

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We have seen a lot of interest in the protection of commercial properties using our AI based video surveillance technology and highly trained protection dogs. Soon, we will start publishing our commercial success stories.

This article describes how we adjust our approach to protect commercial properties such as constructions sites.

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We often get questions from our prospective customers about dog aggression. The questions come from two opposing perspectives — do our dogs aggressive enough to effectively confront an intruder, and are K9 Tech Security dogs too aggressive to be part of my family’s life? Dog aggression is important for the selection and training of our personal protection dogs. This article explains dog aggression and how K9 Technology looks at aggression in our selection and training of our dogs.

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